5,395 Answered Questions for the topic probability
Probability Inequalities
03/22/22
A fast food chain store conducted a taste survey before marketing a new hamburger. The results of the Find the probability that at least six of the eight customers will like this hamburger
A fast food chain store conducted a taste survey before marketing a new hamburger. The results of the survey showed that 75% of the people who tried this hamburger liked it. Encouraged by this...
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Probability Statistics
03/22/22
In a Pet Club, 23 members have a dog, 37 members have a cat, 5 members have a hamster, and 10 members have a bird. What percentage of Pet Club members have a cat or a hamster?
In a Pet Club, 23 members have a dog, 37 members have a cat, 5 members have a hamster, and 10 members have a bird. What percentage of Pet Club members have a cat or a hamster? (Assume that each...
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Probability
03/22/22
A random number, 1-9, is picked 7 times. What are the odds the same number is picked 3 times?
There are 9 numbers. A number is picked 7 times. How likely is it that a specific number (say 4) is picked 3 times? They do not need to be picked sequentially. How likely is it that ANY number is...
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Probability Mathematics
03/22/22
A green die and a red die are rolled . Find the probability that an odd number is rolled on the green die and a multiple of 3 is rolled on the red die.
Probability Statistics
03/21/22
Statistic and Probability
Suppose that pulse rates among healthy adults are normally distributed with a mean of 79 beats/minute and a standard deviation of 8 beats/minute. What proportion of healthy adults have pulse rates...
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Probability
03/20/22
Prob and Stats questions
a hybridization experiment begins with four peas having yellow pods and one pea having a green pod. two peas randomly selected with replacement. Find prob of peas with yellow pods. Find mean of...
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03/20/22
Using combinations to find probabilities (please help!)
A head, assistant, secretary, and treasurer are to be selected at random from 7 girls (including Carmela) and 8 boys (including Jerome). Each student can assume no more than one position. Find the...
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please help with this petsmart statistical probability question!!
Customers entering Petsmart were surveyed at random about what type of pet they had. The results showed that the probabitlity of a person owning a dog was .56. The probabilty that a person had both...
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Please help me with these statistical probability questions i beg !!
The international club at school has 105 members, many of whom speak multiple languages. The most common spoken languages in the club are English, Spanish, and Chinese. Use the Venn Diagram below...
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Probability Distrubution
03/19/22
The probability that at least 14 out of the 15 will require eyesight correction
A survey showed that 79% of adults need correction for their eyesight. If 15 adults are randomly selected, find the probability that at least 14 of them need correction for their eyesight. Is 14 a...
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Probability
03/19/22
Suppose a jar contains 17 red marbles and 31 blue marbles. If you reach in the jar and pull out 2 marbles at random at the same time, find the probability that both are red.
Suppose a jar contains 17 red marbles and 31 blue marbles. If you reach in the jar and pull out 2 marbles at random at the same time, find the probability that both are red.
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I need help with these probability questions for geometry
Customers entering Petsmart were surveyed at random about what type of pet they had. The results showed that the probabitlity of a person owning a dog was .56. The probabilty that a person had both...
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03/18/22
SOMEBODY PLEASE HELP ME WITH THE TWO WAY TABLES FOR GEOMETRY!! I NEED HELP VERY SOON PLEASE
Studied less than two hours(L)
Studied more than two hours(M)
total
Studied independantly (G)
12
4
16
Studied with a group(G)
8
11
19
total
20
15
35
a) What is the probability that a...
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Probability
03/17/22
Consider the 11 letters of the word MISSISSIPPI. Two of these letters are selected at random, one by one without replacement. What is the probability that
1.) BOTH LETTERS ARE I2.) NIETHER OF THE LETTERS ARE I3.) EXACTLY ONE OF THE LETTERS IS P
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03/17/22
You are apart-time crew at a fast food chain. Suppose you serve a certain number of customers every hour.
You are apart-time crew at a fast food chain. Suppose you serve a certain number of customers every hour. Assume the number of people you have served in 3 hours and let this be your population...
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03/16/22
A random sample of size 50 is taken from a large population with mean μ=160 and standard deviation σ=18.
A random sample of size 50 is taken from a large population with mean μ=160 and standard deviation σ=18. What is the mean of the sampling distribution of the sample means? What is the standard...
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Probability
03/16/22
Probability question
A die is thrown 5 times. What is the probability of obtaining a 4 or 5?A. Zero B. Once C. TwiceHint: Calculate the p(4 or 5) for a single throw
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Probability Math
03/15/22
Out of 10 children born, what is the probability that more than 5 of the children are girls
Out of 10 children born, what is the probability that more than 5 of the children are girls
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Probability
03/15/22
Given the following table of grades from a middle school math class:
Grades. A. B. C. D. E. Totals Male. 17. 8. 14. 11. 3. 53females. 12. 11. 13. 6. 5. 47totals. 29. 19. 27. 17. 8. 100a)What...
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Probability Statistics
03/15/22
A distribution of values is normal with a mean of 116.7 and a standard deviation of 73.3
Find P68, which is the score separating the bottom 68% from the top 32%.Find P68=_______________________Enter your answer as a number accurate to 1 decimal place. Answers obtained using...
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Probability Statistics
03/13/22
ratio and probability question
Imagine you are the coach for a co-ed softball championship game. There are two players on base and two outs. You are about to name a pinch hitter among three players. Maggie has gotten hits 4 out...
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Probability Statistics
03/13/22
ratio and probability question
Imagine you are the coach for a co-ed softball championship game. There are two players on base and two outs. You are about to name a pinch hitter among three players. Maggie has gotten hits 4 out...
more
03/13/22
A random sample of size 50 is taken from a large population with mean μ=160 and standard deviation σ=18.
A random sample of size 50 is taken from a large population with mean μ=160 and standard deviation σ=18. What is the mean of the sampling distribution of the sample means? What is the standard...
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03/12/22
A population consist of five (5) measurements 2,3,5,6 and 7. What is the variance of the sampling distribution?
A population consist of five (5) measurements 2,3,5,6 and 7. What is the variance of the sampling distribution?a.0.89b.1.29c.3.90d.2.20
03/12/22
A population consist of five (5) measurements 2,3,5,6 and 7.How many different samples of size n=2 can be drawn from the population?
A population consist of five (5) measurements 2,3,5,6 and 7.How many different samples of size n=2 can be drawn from the population?a.7b.8c.9d.10
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