Pre-Calculus

Have pre-calculus questions? Ask a pre-calculus tutor

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

Customer Question

A new surgery is successful...

A new surgery is successful 75% of the time. If the results of 8 such surgeries are randomly sampled, what is the probability that at most 5 of them are successful?

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 Pre-Calculus Questions

From experience, an airline knows that only 75% of the

From experience, an airline knows that only 75% of the passengers booked for a certain flight actually show up. If 8 passengers are randomly selected, find the probability that at most 6 of them show … read more

The manufacturer of a fertilizer guarantees that, with the

The manufacturer of a fertilizer guarantees that, with the aid of the fertilizer, 75% of planted seeds will germinate. Suppose the manufacturer is correct. If 10 seeds planted with the fertilizer are … read more

A population of values has a normal distribution with μ =

A population of values has a normal distribution with μ = 212.5 and σ = 93.1 . A random sample of size n = 30 is drawn.Find the probability that a single randomly selected value is between 205.7 and 2… read more

Runs 2km every Day and her Times are distributrd with mesmo

Christine runs 2km every Day and her Times are distributrd with mesmo 10.1 and standard deviation 1.3 . Find the probability that on a randomly chosen day Christine takes longer than 11.3 minutes to R… read more

A TV executive is interested in the popularity of a

A TV executive is interested in the popularity of a particular cable TV show. She has been told that a whopping 65% of American households would be interested in tuning in to a new network version of … read more

Solving math problems and formulas, algebra, interest,

Solving math problems and formulas, algebra, interest, porbabilty varety of math … read more

A new surgery is successful 85% of the time. If the results

a new surgery is successful 85% of the time. If the results of 8 such surgeries are randomly sampled, what is the probability that more than 5 of them are successful. Carry your intermediate computati… read more

At the first lab last term, we asked intro stats students at

At the first lab last term, we asked intro stats students at MSVU whether or not they are left handed. We randomly selected 100 of the student who took the survey last term, and found that 12 of them … read more

A candidate claims that they will get more than 50% of the

A candidate claims that they will get more than 50% of the vote in an upcoming election. You sample 450 voters and found that 215 of them plan to vote for the candidate. What is the correct P-value? R… read more

Factory A makes lamps. The probability that a lamp is

Factory A makes lamps.The probability that a lamp is defective is 0.02. A random sample of 500 lamps is tested.a. [8 marks]i) Find the probability that there is exactly 10 defective lamps in the sampl… read more

Four 6th grade probability problems - OK to answer PER

Four 6th grade probability problems - OK to answer PER Moderator Please show work and answers just for problems 14, 15, 16, 17 on this worksheet, need to see in in easy 6th grade level terms. Thanks! … read more

Question 1 of 40 2.5 Points The distribution of .A. degrees

Question 1 of 40 2.5 Points The distribution of B.A. degrees conferred by a local college is listed below, by major. Major Frequency English 2073 Mathematics 2164 Chemistry 318 Physics 856 Liberal Art… read more

Question 1 1. Find the indicated probability. A sample space

Question 1 1. Find the indicated probability. A sample space consists of 174 separate events that are equally likely. What is the probability of each? 0 1 174 1/174 Question 2 1. From the information … read more

Question 1 of 40 2.5 Points Of 1308 people who came into a

Question 1 of 40 2.5 Points Of 1308 people who came into a blood bank to give blood, 314 people had high blood pressure. Estimate the probability that the next person who comes in to give blood will h… read more

Question 1 1. Find the indicated probability. A sample space

Question 1 1. Find the indicated probability. A sample space consists of 174 separate events that are equally likely. What is the probability of each? 0 1 174 1/174 Question 2 1. From the information … read more

Please not that a proper conclusion specific to the problem

Please not that a proper conclusion specific to the problem at hand must be provided for each answer. (Example: If a question asks, what is the probability of selecting a worker at random and finding … read more

Hi Math-John! I have another set of problems for you, this

Hi Math-John! I have another set of problems for you, this is longer than the last. Some of the answers are essay but clearly I DO NOT want you to write my essays! Instead I just want to know what mat… read more

The amount of time spent by North American adults watching television

The amount of time spent by North American adults watching television per day is normally distributed with a mean of 6 hours and a standard deviation of 1.5 hours. a) What is the probability that a ra… 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

168 satisfied customers

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

JACUSTOMER-yrynbdjl-

Master's Degree

13 satisfied customers

I have taught college Mathematics for the past 10 years.

Dr. Arthur Rubin

Doctoral Degree

12 satisfied customers

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

Ashleigh T

Educator

6,186 satisfied customers

Highly-Qualified Educator

Kofi

PhD in Statistics

3,710 satisfied customers

Masters in Mathematics and Statistics

Scott

MIT Graduate

1,874 satisfied customers

Over 13,000 accepts & 100% feedback in the old math category

Sandhya_sharma

Master's Degree

1,496 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.