Calculus and Above

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A shipment of 80 grapefruit arrived containing 28 that are
A shipment of 80 grapefruit arrived containing 28 that are pink, 20 that are white and 32 that are ruby red. We randomly pick two grapefruit. Find the following probabilities. (round answers to three … read more
Kofi
Kofi
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A box contains 7 black and 10 red. Two are drawn without
A box contains 7 black balls and 10 red balls. Two balls are drawn without replacement. Find the probability that both balls are red.P( both are red) = ?Group of answer choices34.6%42.4%29.2%33.1%… read more
Sandhya
Sandhya
Master's Degree
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Ou draw one card from a standard deck. (a) What is the
ou 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 a… read more
Kofi
Kofi
Ph.D.
1,101 satisfied customers
A box contains 100 Christmas light bulbs -- 40, 35 red and
A box contains 100 Christmas light bulbs -- 40 green, 35 red and 25 blue. You randomly select two bulbs from the box with replacement. The outcome of interest is the colour of each of the two selected… read more
Kofi
Kofi
Ph.D.
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1. The cashier service time at the local branch of the Rivertown
1. The cashier service time at the local branch of the Rivertown bank has an exponential distribution with a mean of 2.5 minutes. What is the probability that the service time: Is between 2 and 4 minu… read more
akch2002
akch2002
Master's Degree
2,978 satisfied customers
A box of marbles contains 9 white and 3 black marbles. Jack
A box of marbles contains 9 white and 3 black marbles. Jack takes a marble at random and it is replaced by a marble of that colour. Jill then takes a marble at random. What is the probability that eit… read more
Ryan
Ryan
Bachelor's Degree
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Refer to the following frequency distribution for Questions
Refer to the following frequency distribution for Questions 1, 2, 3, and 4. Show all work. Just the answer, without supporting work, will receive no credit. The frequency distribution below shows the … read more
Ryan
Ryan
Bachelor's Degree
4,665 satisfied customers
Refer to the following frequency distribution for Questions
Refer to the following frequency distribution for Questions 1, 2, 3, and 4. Show all work. Just the answer, without supporting work, will receive no credit. The frequency distribution below shows the … read more
Chirag
Chirag
Master's Degree
10,329 satisfied customers
Refer to the following frequency distribution for Questions
Refer to the following frequency distribution for Questions 1, 2, 3, and 4. The frequency distribution below shows the distribution for checkout time (in minutes) in MiniMart between 3:00 and 4:00 PM … read more
Ryan
Ryan
Bachelor's Degree
4,665 satisfied customers
Use the following sample data to answer questions 1 through 4:
Use the following sample data to answer questions 1 through 4: -1, 0, 2, 3, 7, 10, 10 _____1. The mean, X , of the data above is (to the nearest 1/10) a. 8.3 b. 9.0 c. 9.4 d. 4.4 _____2. The median of… read more
Trigeoscal
Trigeoscal
College Math Professor
Master's Degree
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1. Let Y be binomial(15, 1/3). Evaluate V ar(Y ). Note: You
1. Let Y be binomial(15, 1/3). Evaluate V ar(Y ). Note: You must show your work. 2. Let X be a uniform((0, 1)) rv. Set Y = −log(X). Calculate the pdf of Y . 3. Three people each roll a fair 6 sided di… read more
rajeevanpillai
rajeevanpillai
Master's Degree
Master's Degree
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. 6 chips are in an urn of which 4 are red and 2 are blue.
. 6 chips are in an urn of which 4 are red and 2 are blue. We pick 2 chips out one by one and without replacement. Let Y be the number of red chips picked. a) (6 pts) Calculate P(Y=2). b) (4 pts) Is Y… read more
Chirag
Chirag
Master's Degree
10,329 satisfied customers
Question 27 The heights of the men age 18 and over in the
Question 27 The heights of the men age 18 and over in the HANES sample averaged 68.5 inches; the SD was 2.9 inches. Use the normal curve to estimate the percentage of these men with heights between 65… read more
rajeevanpillai
rajeevanpillai
Master's Degree
Master's Degree
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A card is picked at random from a shuffled deck. What is the
A card is picked at random from a shuffled deck. What is the probability that it is either red or a king? Answer a. 17/52 b. 19/52 c. 18/52 d. 30/52 e. 28/52 1.34 points Question 27 The heights of the… read more
Stevewh
Stevewh
Teacher
Bachelor's Degree
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Find the probability that three cards are drawn from a deck,
Find the probability that three cards are drawn from a deck, and you get two reds, followed by a black. Answer a. none of these b. 1/11050 c. 13/102 d. 169/1020 We toss a die 300 times. Find the stand… read more
Ryan
Ryan
Bachelor's Degree
4,665 satisfied customers
I am finishing up some statistics homework and was hoping you
I am finishing up some statistics homework and was hoping you could check the work...some of the formula(e) I am using seems like over kill. I am also asked to provide the notation of the rule that ap… read more
Osbert12
Osbert12
Master's Degree
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"StatsPro" Last one for today and thx for your help on these A
"StatsPro" Last one for today and thx for your help on these A urn contains 6 red marbles and 4 black marbles. Two marbles are drawn without replacement from the urn. What is the probability that both… read more
Expert
Expert
StatsPro - fourth one for today A urn contains 6 red marbles
StatsPro - fourth one for today A urn contains 6 red marbles and 4 black marbles. Two marbles are drawn with replacement from the urn. What is the probability that both of the marbles are black?… read more
Expert
Expert
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