Calculus and Above

Calculus Questions? Ask a Mathematician for Answers ASAP

Connect one-on-one with {0} who will answer your question

Statistic Question: 5. A password...

Statistic Question: 5. A password ***** of three letters (out of 26 letters , not case sensitive) followed by four digits (from 0 to 9.) Repeats are allowed. What is the probability that somebody will be able to guess the password ***** randomly forming the password ***** the above choices?

6. A card is randomly drawn from a well shuffled regular deck of 52 cards. a) What is the probability that the card drawn is a heart? b) What is the probability that the card drawn is a King?

7. A five member committee is selected randomly from a group of 8 men and 12 women. a) Find the probability that all of the selected members are men. b) Find the probability that out of the five selected members 2 are men and 3 are women.

8. In a certain region, 91% of the people can speak English, 44% can speak Spanish, and 40% can Speak both English and Spanish. One person is randomly selected from this region. Use Venn Diagrams to a) Find the probability that the selected person can speak only one of the language from out of English and Spanish. b) Find the probability that the selected person can speak neither of the two languages (English or Spanish.) c) Find the probability that the selected the person can speak English but not Spanish. d) Find the probability that the selected person can speak English, given that the person can speak Spanish.

9. A strabismus surgery has a probability of 0.9 of success in the first attempt and a probability of 0.98 of success in the second attempt. Use the techniques of tree diagrams to find the probability the probability that the surgery will be successful within two attempts. (round four digits after the decimal)

10. A game charges $1.00 to play and pays $4.00 if a card drawn from a well shuffled deck such as above is a face card (Jack, Queen or King) , other wise the the player loses the money. Find the expected value of the gain for this player. fill the following table to answer this question:

Outcome | Gain | Probability |

Face Card | $4-$1=$3 | |

No Face Card | $0-$1=─$1 |

Show More

Show Less

Was this answer helpful?

Describe your issueThe assistant will guide you

Chat 1:1 with a tutorLicensed Experts are available 24/7

100% satisfaction guaranteeGet all the answers you need

Related Calculus and Above Questions

You draw two cards from a standard deck of 52 cards, but

You draw two cards from a standard deck of 52 cards, but before you draw the second card, you put the first one back and reshuffle the deck. (a) Are the outcomes on the two cards independent? Why? Yes… read more

Seven of the 50 digital video recorders (DVRs) in an

Seven of the 50 digital video recorders (DVRs) in an inventory are known to be defective. What is the probability that a randomly selected item is defective?second part Assume that 2400 births are r… read more

19. Find the odds against rolling box cars (2 sixes) when a

Second opinion] 19. Find the odds against rolling box cars (2 sixes) when a pair of dice are thrown20. A card is randomly drawn from a standard deck. Find the probability that it is a heart given that… read more

As shown above, a classic deck of cards is made up of 52

As shown above, a classic deck of cards is made up of 52 cards, 26 are black, 26 are red. Each color is split into two suits of 13 cards each (clubs and spades are black and hearts and diamonds are re… read more

In a card game, Player 1 wins a point if a 2, 3, 4, 5, or

In a card game, Player 1 wins a point if a 2, 3, 4, 5, or club is drawn from a standard deck of 52 shuffled playing cards. Otherwise, Player 2 wins a point. a) If a card is drawn, determine the probab… read more

A survey of athletes at a high school is conducted, and the

A survey of athletes at a high school is conducted, and the following facts are discovered: 49% of the athletes are football players, 48% are basketball players, and 20% of the athletes play both foot… read more

A card is drawn randomly from a standard 52-card deck. Find

A card is drawn randomly from a standard 52-card deck. Find the probability of the given event. Write your answers as reduced fractions or whole numbers.(a) The card drawn is 4 P (4) = (b) The card dr… read more

You draw one card from a standard deck. (a) What is the

You draw one card from a standard deck.(a) What is the probability of selecting a king or a queen?(b) What is the probability of selecting a face card or a 10?(c) What is the probability of selecting … read more

You are dealt two cards successively (without replacement)

You are dealt two cards successively (without replacement) from a shuffled deck of 52 playing cards. Find the probability that both cards are black. Round your answer to three decimal places as neede… read more

Suppose that you remove all of the face cards (jacks, queens

Suppose that you remove all of the face cards (jacks, queens and kings) AND all of the aces from a standard deck of 52 cards and thoroughly shuffle the remaining 36 cards. From this deck of 36 cards y… read more

Suppose that you remove all of the face cards (jacks, queens

Suppose that you remove all of the face cards (jacks, queens and kings) AND all of the aces from a standard deck of 52 cards and thoroughly shuffle the remaining 36 cards. From this deck of 36 cards y… read more

Suppose that you remove all of the face cards (jacks, queens

Suppose that you remove all of the face cards (jacks, queens and kings) AND all of the aces from a standard deck of 52 cards and thoroughly shuffle the remaining 36 cards. From this deck of 36 cards y… read more

A standard deck of cards contains 52 cards. One card is

A standard deck of cards contains 52 cards. One card is selected from the deck. (a) Compute the probability of randomly selecting an ace or queen. (b) Compute the probability of randomly selecting a… read more

Pokeno is played with a normal deck of 52 cards. Each player

Pokeno is played with a normal deck of 52 cards. Each player has a sheet with 25 randomly placed pictures of playing "cards" on a sheet. What are the odds of someone reading 5 cards off taken from a shuffled deck and a person having the exact same five cards on their sheet of 25? How would I figure that out? … read more

Question 1 1. Seven slips of paper marked with the numbers

Question 1 1. Seven slips of paper marked with the numbers 1, 2, 3, 4, 5, 6, and 7 are placed in a box and mixed well. Two are drawn. What are the odds that the sum of the numbers on the two selected … read more

find the probability that two cards are drawn from a well shuffled

find the probability that two cards are drawn from a well shuffled deck, and we get an 8, followed by a face card… read more

1. A cooler at a picnic contains 100 cans of soda covered by

1. A cooler at a picnic contains 100 cans of soda covered by ice. There are 24 cans of cola,34 cans of orange soda, 17 cans of ginger ale, and 25 cans of root beer. The cans are all the same size and … read more

RRjha....... 1.. For the experiment of drawing a single

RRjha....... 1.. For the experiment of drawing a single card from a standard 52 card deck, (i) find the probability and (ii) the odds in favor of each of the following events A. A jack given that the … read more

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.

JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.

Web sites like justanswer.com/legal

...leave nothing to chance.

...leave nothing to chance.

Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.

Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.

I will tell you that...the things you have to go through to be an Expert are quite rigorous.

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

Los Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

Hesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

Kernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

Woodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

Elkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

Dallas, TX

< Previous | Next >

Mr. Gregory White

Master's Degree

114 satisfied customers

M.A., M.S. Education / Educational Administration

SusanAthena

Master's Degree

102 satisfied customers

Tutor for Algebra, Geometry, Statistics. Explaining math in plain English.

Dr Arthur Rubin

Doctoral Degree

97 satisfied customers

Ph.D. in Mathematics, 1978, from the California Institute of Technology, over 20 published papers

JACUSTOMER-yrynbdjl-

Master's Degree

42 satisfied customers

I have a MS in Mathematics and I have taught Mathematics for 10 years at the college level.

Don

Master's Degree

29 satisfied customers

M.S. Astronautical Engineering. Math/Sci/Comp Tutor

Kofi

PhD in Statistics

7,955 satisfied customers

Masters in Mathematics and Statistics

Sandhya_sharma

Master's Degree

5,547 satisfied customers

I hold M.Sc and M.Phil degrees in math and have several years of teaching experience.

< Previous | Next >

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.