If a typist makes an average of three errors for every hour, what is the probability that he will make at least 50 errors in eight hours?

Q: There are 9 black balls and 9 red balls in an urn. If 3 balls are drawn without replacement, what is…

A: It is given that Number of black balls = 9 Number of red balls = 9 Total = 18

Q: What is the probability of drawing a red or blue marble out of a bowl with 10 red, 6 blue, 9 green?

A: Given that,no.of red marbles=10no.of blue marbles=6no.of green marbles=9Total no.of marbles=25

Q: What is the probability that 25 rolls of a fair die will show 4 twos? Please show work.

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Q: What is the probability of rolling a one or a six when rolling one die?

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Q: If a typist makes an average of three errors for every hour, what is the probability that he will…

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Q: What is the probability that the number on the first die is smaller than the number on the second…

A: The sample space of two dice are thrown is S={ (1,1) (1,2) (1,3) (1,4) (1,5) (1,6)  (2,1) (2,2)…

Q: Find the mean and variance of the numbers generated by rolling two die and counting the sum of the…

A: We have given that the two dice are rolled. Total number of possible outcomes = 36 The sample space…

Q: An online quiz has 10 True or False questions. What is the probability that a student got exactly…

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Q: What is the probability of getting exactly two Heads in a single throw of three coins?

A: given experiment: a single throw of three coins.now, sample space…

Q: When a single die is rolled, what is the probability of getting a number less than 6.

A: If a single die is rolling then sample space (s) is,  s = { 1, 2, 3, 4, 5, 6 } = 6 outcomes Then,…

Q: A warehouse employs 22 workers on first shift, 17 workers on second shift, and 10 workers on third…

A: Given,no.of first shift workers=22no.of second shift workers=17no.of third shift workers=10no.of 2nd…

Q: .A coin is flipped 5 times, find the probability of getting at most 1 head.

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Q: What is the probability that when a coin is tossed 5 times it lands 3 times heads?

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Q: if a single die is rolled, what is the probability of it rolling on a number less than 2

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Q: Suppose a jar contains 13 red marbles and 16 blue marbles. If you reach in the jar and pull out 2…

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Q: There are 5 black balls and 7 red balls in an urn. If 5 balls are drawn without replacement, what is…

A: From the provided information,Number of black balls = 5Number of red balls = 7Total = 125 balls are…

Q: A​ single, six-sided die is rolled. Find the probability of rolling an even number or a number less…

A: Given that, A​ single, six-sided die is rolled

Q: What is the probability of getting the first "three" in the 6' roll?

A: here given, balanced 6 sided die rolled , here use geometric distribution

Q: Consider dealing a five-card hand from a standard 52-card deck of cards. Compute the probability of…

A: We want to find the probability

Q: Find the empirical probability of flipping a coin 10 times

A: We need to find the emperical probability of flipping a coin 10 times Emperical probability is…

Q: A die was rolled 16 times, what is the probability of rolling a number greater than 4 seven times.

A: Given that  n=16 , p=2/6=1/3  X~Binomial(n=16,p=1/3) X=Number of time the number greater than 4…

Q: Planet X has 73 calendar days. What is the probability that in a room with 11 inhabitants of Planet…

A: To solve this, we can first calculate the probability that none of the 11 inhabitants share a…

Q: What is the probability of getting at least one 6 on three rolls of a die?

A: It is an important part of statistics. It is widely used.

Q: A standard die is rolled. What is the probability of rolling a number less than 2?

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Q: Suppose one card is drawn randomly from a standard deck of 52 cards. What is the…

A: Answer: From the given data, Total number of cards in a standard deck = 52 number of ace in a deck =…

Q: A single card is randomly selected from a standard deck of 52 cards. Determine the probability of…

A: Solution: There are total of 52 cards in a standard deck.  A standard deck of 52  cards has four…

Q: The table below shows the number of deaths in the U.S. in a year due to a variety of causes. For…

A: Given, the number of deaths in the U.S in a year due to variety of causes.

Q: what is the probability of getting 0 defective calculators

A: Number of defective calculators = 13Number of non defective calculators = 39Total number of…

Q: A 4-digit PIN is selected. What is the probability that there is exactly one repeated digit and that…

A: In a 4 digit pin each of the positions can be filled with one of the 10 digits. Therefore one…

Q: 8 black balls and 10 red balls in an urn. If 5 balls are drawn without replacement, what is the…

A: The number of black balls = 8The number of red balls =10Total number of balls=8+10…

Q: If the probability ratio when drawing two yellow balls with return from a box containing yellow and…

A: Given: The probability ratio when drawing two yellow balls with return from a box containing yellow…

Q: Jacks were drawn 2 out of 4 times. Calculate the experimental probability.

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Q: A die is rolled 6 times. Find the probability of rolling no more than 4 fours. .... The probability…

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