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Probability

02/07/23

Distinguishable Arrangments

What is the number of distinguishable arrangements of the letters of the word SEXTILLION

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Probability Math Statistics

02/06/23

Adult men have heights with the mean of of 69.0 inches and the Standard deviation of 2.8 inches. Find is the zone of a man who is 68.5 inches tall.

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Probability Math Statistics

02/06/23

The heights of men in America are normally distributed, with the mean of 69.5 inches and the standard deviation of 2.63 inches. What is the z score of a 6’4 man and z score of a 5’11 women.

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Probability Math Statistics

02/06/23

Adult mean have heights with the mean of of 69.0 inches and the Standard deviation of 2.8 inches. Find is the zone of a man who is 68.5 inches tall.

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Probability

02/06/23

FOUR FAMILIES WITH FOUR CHILDREN EACH. WHAT IS THE PROBABILITY THAT TWO OF THE FAMILES WILL HAVE TWO BOYS AND TWO GIRLS IN ANY ORDER.

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Probability Math Statistics

02/05/23

Adult mean have heights with the mean of of 69.0 inches and the Standard deviation of 2.8 inches. Find is the zone of a man who is 68.5 inches tall.

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Probability

02/05/23

At a 911 call center, calls come in at an average rate of one call every two minutes. Assume that the time that elapses from one call to the next has the exponential distribution.

On average, how much time occurs between five consecutive calls?Ninety-percent of all calls occur within how many minutes of the previous call?Suppose that two minutes have elapsed since the last... more

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Probability

02/03/23

Probability of simple events and opposite events

You spin the spinner once.2345678What is P(less than 7)?Write your answer as a percentage rounded to the nearest tenth.

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Probability

02/03/23

Question on Probability

Suppose Erroll will pass his statistics test with probability 0.7, pass his fluid mechanics test with probability 0.5, and pass both with probability 0.37. What is the probability that Erroll will... more

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Probability

02/03/23

Chances of exam question coming up

I’m sitting an exam with 69 study units. I only have time to study 25. The exam consists of 5 questions relating to different study units. I only have to answer 1. What are the chances one of the... more

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Probability

02/03/23

Probability of a

The table summarizes results from 988 pedestrian deaths that were caused by automobile accidents. Driver Pedestrian Intoxicated? YES Pedestrian Intoxicated? NO ... more

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Probability

02/01/23

Assume that Pr[A′]=0.4 , Pr[B]=0.6 , and Pr[A′∩B]=0.3. Find probability of following events:

(1) Pr[A∩B] =(2) Pr[A∪B] =(3) Pr[A′∪B] =

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Probability

01/30/23

A spinner has 5 sectors numbered 1 t0 5;what is the probability of the spinner landing on an even number

2/10 or 2/3 or 2/5 or 1/2

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Probability Statistics

01/29/23

Find the probability that exactly two babies were born deaf.

According to a recent article the average number of babies born with significant hearing loss (deafness) is approximatelytwo per 1,000 babies in a healthy baby nursery. The number climbs to an... more

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Probability

01/28/23

probability without replacement

A deck of playing cards has 52 cards. There are 4 jacks and 4 aces. Assuming the jack is not replaced, what is the probability of drawing a jack and then an ace from the deck?

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Probability Statistics

01/28/23

What is the median IQ score for this sample? 99, 100, 105, 104, 102, 105, 105, 121, 104

IQ scores are collected from a sample of students at a large university. The scores are shown below.A. 102B.104C.105D.110

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Probability Statistics

01/27/23

Six different colored dice are rolled. Of interest is the number of dice that show a one.Find the probability that all six dice show a one.

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Probability Statistics

01/27/23

he average number of children a Japanese woman has in her lifetime is 1.37. Suppose that one Japanese woman is randomly chosen.

Find the probability that she has no children.Find the probability that she has fewer children than the Japanese average.Find the probability that she has more children than the Japanese average.

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Probability Statistics

01/27/23

The maternity ward at Dr. Jose Fabella Memorial Hospital in Manila in the Philippines is one of the busiest in the world with an average of 60 births per day. Let X = the number of births in an hour.

What is the mean?What is the standard deviation?What is the probability that the maternity ward will deliver three babies in one hour? What is the probability that the maternity ward will deliver... more

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Probability Math Statistics

01/27/23

Linear Regressions (need help as soon as possible please!)

A mathematics teacher wanted to see the correlation between test scores and homework. The homework grade (x) and test grade (y) are given in the accompanying table. Write the linear regression... more

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Probability

01/22/23

A board has 37 numbrs. I place three bets, two of them cover 12 numbers each and one covers a single number.

What is my probability of winning one of these three bets

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Probability

01/20/23

what are the mean and variance of the hypergeometric distribution?

Calculate the mean and the variance of the hypergeometric distribution h(x;50,5,3).

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Probability

01/20/23

how to solve this type of poisson distribution

Suppose that the number of typing errors per page has a Poisson distribution with average 4 typing errors. What is the probability that in a given page the number of typing errors will at... more

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Probability

01/19/23

how should i calculate the expected frequency of a fitted binomial distribution

An experiment is repeated 100 times and a fitted binomial distribution is obtained as follows:Calculate the Expected frequencies for the fitted binomial distribution.

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Probability

01/19/23

Probablility questions

A school has 10 iPads, 20 Chromebooks, and 5 laptop computers in their technology loaner supply closet. For each part below, assume all devices are available (so the supply does not change in part... more

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Distinguishable Arrangments

Adult men have heights with the mean of of 69.0 inches and the Standard deviation of 2.8 inches. Find is the zone of a man who is 68.5 inches tall.

The heights of men in America are normally distributed, with the mean of 69.5 inches and the standard deviation of 2.63 inches. What is the z score of a 6’4 man and z score of a 5’11 women.

Adult mean have heights with the mean of of 69.0 inches and the Standard deviation of 2.8 inches. Find is the zone of a man who is 68.5 inches tall.

FOUR FAMILIES WITH FOUR CHILDREN EACH. WHAT IS THE PROBABILITY THAT TWO OF THE FAMILES WILL HAVE TWO BOYS AND TWO GIRLS IN ANY ORDER.

Adult mean have heights with the mean of of 69.0 inches and the Standard deviation of 2.8 inches. Find is the zone of a man who is 68.5 inches tall.

At a 911 call center, calls come in at an average rate of one call every two minutes. Assume that the time that elapses from one call to the next has the exponential distribution.

Probability of simple events and opposite events

Question on Probability

Chances of exam question coming up

Probability of a

Assume that Pr[A′]=0.4 , Pr[B]=0.6 , and Pr[A′∩B]=0.3. Find probability of following events:

A spinner has 5 sectors numbered 1 t0 5;what is the probability of the spinner landing on an even number

Find the probability that exactly two babies were born deaf.

probability without replacement

What is the median IQ score for this sample? 99, 100, 105, 104, 102, 105, 105, 121, 104

Six different colored dice are rolled. Of interest is the number of dice that show a one.Find the probability that all six dice show a one.

he average number of children a Japanese woman has in her lifetime is 1.37. Suppose that one Japanese woman is randomly chosen.

The maternity ward at Dr. Jose Fabella Memorial Hospital in Manila in the Philippines is one of the busiest in the world with an average of 60 births per day. Let X = the number of births in an hour.

Linear Regressions (need help as soon as possible please!)

A board has 37 numbrs. I place three bets, two of them cover 12 numbers each and one covers a single number.

what are the mean and variance of the hypergeometric distribution?

how to solve this type of poisson distribution

how should i calculate the expected frequency of a fitted binomial distribution

Probablility questions

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