5,395 Answered Questions for the topic probability
04/24/21
Given; (odds against A) = 5:4, Find P(A).
Given; (odds against A) = 5:4, Find P(A).would the answer be 5/9?I did P(A) = h/k+h, odds in favour = 5 (h):4 (k) -> P(A) = 5/4+5 = 5/9, but it said the answer is 4/9 and I don't understand why...
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04/24/21
Solve using R Script to compute a 90% confidence interval for the difference between the average running times of films produced by the two companies
Please solve using R Script and show all coding/steps. Thanks in advance!The following data represent the running times of films produced by two motion-picture companies.There are 2 companies, A and...
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04/24/21
Using R Script please show the coding/steps to find the 95% confidence interval for the mean change in percent return to investors.
Thanks in advance!!! Please show all work/ coding in R Script, so I can try to understand how to solve problems like this later on.Fortune magazine (March 1997) reported the total returns to...
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04/24/21
Question; Use a tree diagram to illustrate the possible outcomes for a couple having 4 children...
Please Help, thank you so much.
Use a tree diagram to illustrate the possible outcomes for a couple having 4 children, assuming that the probability of having a boy equals the probability of...
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Question; Use a tree diagram to illustrate the possible outcomes for a couple having 4 children...
Please Help, thank you so much.
Use a tree diagram to illustrate the possible outcomes for a couple having 4 children, assuming that the probability of having a boy equals the probability of...
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Probability Statistics
04/24/21
A chi-square independence test is to be conducted to decide whether an association exists between two variables of a populations...
A chi-square independence test is to be conducted to decide whether an association exists between two variables of a populations. One variable has 6 possible values and the other variable has 6....
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04/24/21
Given odds against A = 1:5, determine P(A).
Given odds against A = 1:5, determine P(A).Would this be right?P(A) = h/k+hOdds in favour = 1 (h):5 (k) -> P(A) = 1/5+1 = 1/6
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04/23/21
The odds of the boys basketball team making the playoffs is 5:6.
The odds of the boys basketball team making the playoffs is 5:6. What is the probability they won't make the playoffs? Please show all steps + explain, thank you.
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04/23/21
In a drug study of a group of 500 patients, 150 patients responded positively to drug #1, 200 patients responded positively to drug #2 and 90 patients responded positively to both drug #1 and drug #2.
8. In a drug study of a group of 500 patients, 150 patients responded positively to drug #1, 200 patients responded positively to drug #2 and 90 patients responded positively to both drug #1 and...
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04/23/21
Please Help! Probability Question
Refer to #6. Suppose that after several trials, the experiment is modified to allow the monkey to look into the box while choosing a shape. The table shows the results.b) Determine the experimental...
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04/23/21
A fridge contains 4 bananas, 3 apples, 8 oranges, and 1 grapefruit. Please explain + show all steps.
A fridge contains 4 bananas, 3 apples, 8 oranges, and 1 grapefruit. What are the odds in favour of randomly drawing a banana?
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04/23/21
Please Help! Two standard dice are rolled.
Two standard dice are rolled.a) What is the probability of rolling a pair (both the same number)? d) What is the probability that a sum less than 7 is not rolled?
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Probability
04/23/21
Hanger and Cupboard Probabilty question!
Your cupboard has 10 hangers arranged in a row to hang clothes. There are 7 clothes hung.Assume you picked hangers at random among the spaces available. Find the probability thatthe three empty...
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Probability
04/23/21
Train and seat ticket Probability question!
You are looking for a first-class ticket on a particular train. There are only two seats available inthe whole train with 7 compartments and 100 seats per compartment. Only the first compartmentis...
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04/23/21
A fridge contains 4 bananas, 3 apples, 8 oranges, and 1 grapefruit. Please explain + show all steps.
A fridge contains 4 bananas, 3 apples, 8 oranges, and 1 grapefruit. What are the odds in favour of randomly drawing a banana?
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04/22/21
A spinner has four colors: red, yellow, green, and purple.
A spinner has four colors: red, yellow, green, and purple. The experimental probability of spinning a red is 0.2, of spinning a yellow is 0.3, and of spinning a green is 0.4. If the spinner was...
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Probability
04/22/21
write your answer as a simplified fraction
The probability of an event, P(E), is 3/10. What is P(E’)?
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Probability
04/22/21
write your answer as a simplified fraction.
A bag contains 3 red balls, 5 blue balls, and 6 yellow balls.a) If 3 balls are chosen at random, what is the probability that 2 yellow and 1 red ballwill be selected?b) If 1 ball is chosen at...
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Probability
04/22/21
write your answer as a simplified fraction.
Two balls are to be selected without replacement from a bag containing 1 red, 1 blue,1 green, 1 yellow, and 1 black ball. What is the probability that the red ball and thenthe green ball is selected?
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04/22/21
The experimental probability of randomly choosing a male from a litter of puppies is 1/4. Please show all steps and explain, Thank you.
The experimental probability of randomly choosing a male from a litter of puppies is 1/4. If there are 6 female puppies in the litter, how many males are there?
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Probability
04/22/21
If the probability of an event is 0.91 how likely is it to happen
If the probability of an event is 0.91 how likely is it to happen
Probability
04/22/21
write your answer as a simplified fraction.
Each of the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 is written on a ticket and the tickets areplaced in a bowl. If 3 of the tickets are selected at random, find the probability thatall three...
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Probability
04/22/21
write your answer as a simplified fraction.
The probability that Patricia will win the election is 9/14. What is the probability that she will not win the election?
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Probability
04/22/21
write your answer as a simplified fraction.
The names of 3 women and 2 men are written on scraps of paper and placed in a hat.Two slips of paper are drawn, one at a time, with replacement.a) What is the probability that both pieces of paper...
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04/22/21
A researcher claims that all call center agents sleep for an average that is less than or equal to 7.5 hours per day with a population standard deviation of 1.4 hours per day.
A researcher claims that all call center agents sleep for an average that is less than or equal to 7.5 hours per day with a population standard deviation of 1.4 hours per day. To validate the...
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