Eight percent of all college graduates hired by companies stay with the same company for more than five years. The probability that in a random sample of 12 such college graduates hired recently by companies, exactly two will stay with the same company for more than five years is: Group of answer choices 0.3305 0.2301 0.1835 0.1294

Q: ABC Interactive survey stated that 25% of employees said that their company is loyal to them. Ten…

A:

Q: Historically, the final exam for an introductory statistics course has had a 75% pass rate. Suppose…

A: From the provided information,p = 0.75n = 250

Q: The coach of a running team thinks that 45% of athletes can run a mile in under 7 minutes. A simple…

A: Given problem Given that   The coach of a running team thinks that 45% of athletes can run a mile…

Q: thirty four percent of us adults have very little confidence in newspapers. You randomly select 8 US…

A: Binomial distribution:The binomial distribution gives the probability of number of successes out of…

Q: In a recent year, 13% of businesses have eliminated jobs. If 6 businesses are randomly sampled, what…

A: Let us denote X=the number of businesses that have eliminated jobs. n=sample size=6 p=probability of…

Q: Ten patients participated in a study to see if vitamin C can prevent colds. If each patient has a…

A: It is given that 10 patients participated in a study to see if vitamin C can prevent colds. The…

Q: A survey of students found that 86% expect to pass the statistics test they are scheduled to take…

A:

Q: The average monthly grocery bill for an individual is normally distributed with a mean of $85 and a…

A: Solution: Let X be the average monthly grocery bill for an individual is normally distributed with…

Q: i) Find the regression equation for predicting 7-minute screen scores (Y) from the Cognitive series…

A: Given :  We have given the values of X and Y variable X as a Scores in Cognitive series and Y as a…

Q: According to a study, 20% of corporate officers are women. Suppose that you select a random sample…

A:

Q: If 10% of men are bald, what is the probability that fewer than 100 in a random sample of 900 are…

A: Solution:Binomial distribution approximated to normal distribution or not is checked below:It is…

Q: About 13% employed adults in the US held multiple jobs. Random sample of 74 employed adults is…

A: Given, About 13% employed adults in the US held multiple jobs. Random sample of 74 employed adults…

Q: A study of 180 randomly selected American Airlines flights showed that 68 arrived late. What is the…

A: No. of American flights =180 No. of american flights arrived late=68

Q: Last Fall Semester, 36% of freshmen who applied for football season tickets did not receive tickets…

A: Obtain the probability that more than 40% of those sampled did not receive tickets for all home…

Q: The centers for disease control reported that 16% of college aged individuals used vapes in…

A: Given information Probability of using vapes = 0.16 No of individuals n = 750 Probability that less…

Q: Imagine a woman has a positive mammogram. What is the probability that she has breast cancer?

A: Here use Bayes rule and tree diagram  Define events as follows  C = women have breast cancer  T =…

Q: manufacturer of aspirin claims that the proportion of headache sufferers who get relief with their…

A: Given data,Probability of success is p=63.8%=0.638If n=430P(X<58.4%)=?

Q: If the probability of being hit by lightning is 1 in 1,000,000, what is the probability of not…

A: Given that , P (being hit by lightning) = 1/1000000 =0.000001

Q: A study indicates that 80% of households have have a dog. You randomly sample 7 households. Find the…

A:

Q: The National Centre for Health Statistics reported that of every 883 deaths in recent years, 24…

A: The objective of the question is to find out the probability that a particular death is due to an…

Q: If the probability that a randomly chosen college student takes statistics is 0.34, then what is the…

A: The probability that a randomly chosen college student takes statistics is 0.34. The probability…

Q: Example: Twenty percent of regular M&Ms are orange. Suppose that you took a random sample of 25,000…

A: It is given that the proportion of regular M&Ms which are orange is:  Size of random sample:…

Q: A survey of 400 randomly selected high school students determined that 286 play organized sports.…

A: The objective of this question is to find the probability that a randomly selected high school…

Q: recent survey found that 70% of all adults over 50 wear sunglasses for driving. In a random sample…

A: We have given that  Sample size n = 10 Success of probability p= 0.70 X~binomial ( n , p )

Q: According to the Center for Disease Control (CDC), the percentage of boys who are diagnosed with…

A:

Q: Approximately 10% of all people are left-handed. Out of a random sample of 15 people, what is the…

A: We have given that Probability (p) = 0.10sample size (n) = 15

Q: One half of the people in the United States own individual stocks. In a random sample of 12 people,…

A:

Q: In a poll conducted by the general social survey, 70% of respondents said that their jobs were…

A: Probability of respondents said that their jobs were sometimes or always stressful(p)= 0.70sample…

Q: Suppose that 24% of US adults favor an increase in taxes.  What is the probability that in a group…

A: According to the given information, we have Sample size, n = 8 Given that 24% of US adults favor an…

Q: 13 percent of the patients in a study reported previous episodes of a stroke. Use 13 percent as the…

A: The mean and the standard deviation of the sampling distribution of the sample proportion is,

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.