According to a study 55% of all males between the ages of 18 and 24, live at home. (unmarried college students living in a dorm, are counted as living at home.) suppose that a survey is administered and 141 of 246, respondents indicated that they live at home. A. Use the normal approximation to the binomial to approximate the probability that at least 141 respondents live at home. B. Do the results from part A contradict the study?

Q: ✅❎♦️♦️✅✅❎❎♦️9383$;!;!;$;);

A: a. In a letter to an advice column, a wife claimed to have given birth 309 days after a brief visit…

Q: A.What is the mean and standard deviation of the distribution? B.What is the probability that…

A: According to the answering guidelines, we can answer only three subparts of a question and the rest…

Q: A production process produces 2% defective parts. A sample of five parts from the production process…

A:

Q: Refer to the sample data for polygraph tests shown below. If one of the test subjects is randomly…

A: Required probability is P(subject was not lying )

Q: 1. A survey from Veterinary Research Unlimited found that 80% of dogs do not have chronic ear…

A:

Q: There are 225 dogs that participated at the National Dog Show that weigh an average of 5 kilos, with…

A:

Q: Suppose that the grades of Mathematics and Statistic module is modeled well by a normal probability…

A: Given question Suppose that the grades of Mathematics and Statistic module is modeled well by a…

Q: what can be said about the probability of committing a Type II error?

A:

Q: D what is the variance hr tece following setof scoms? Scones;4,17

A: From the provided information, The scores are as follow: 4, 1, 7

Q: Refer to the sample data for polygraph tests shown below. If one of the test subjects is randomly…

A: probability is defined by = favourable outcomes/ total outcomes -We have to find the probability of…

Q: After many years of product car batteries testing, a company knows that the average life of a…

A: Solution: Let X be the life of a battery. From the given information, X follows normal distribution…

Q: A study shows that the normal time that a customer occupied a table in a fine dine restaurant is 1.2…

A:

Q: In a study of work patterns, data from 669 subjects were collected. For the time spent in child…

A: We have given that,  Let X be the random variable from normal distribution with mean (μ) = 23.08,…

Q: Refer to the sample data for polygraph tests shown below. If one of the test subjects is randomly…

A: General formula of probability , Probability = Number of favorable outcomes Total outcomes

Q: In nine throws of a die, number 5 is considered a success. Find the mean number of successes and…

A: Answer: From the given data, Number of throws (n) = 9 Here, the probability of success is getting…

Q: Suppose in a certain primary school, the weight of boys are normally distributed with mean 28kg and…

A:

Q: A sample of ?=25 observations is drawn from a normal population with ?=1080 and ?=210. Find each of…

A: Solution-: Given: We find, (A) (B) (C)

Q: In your area, 34% of firms are owned by women. You call local firms at random in order to sell them…

A: Below is the answers of all parts

Q: a. What is the probability that the sample contains exactly 4 minorities? b. What is the probability…

A: Let X be the random variable that a number of the employees are minorities.Given that,No. of…

Q: The Bureau of Labor Statistics reported in a recent year that 5% of employed adults in the United…

A: From the given information we can write that, Proportion of employed adults in the United States who…

Q: Recent report in Times showed a typical family of four spends $490 per month on food with a mean of…

A:

Q: A teacher instituted a new reading program at school. After 10 weeks in the program, it was found…

A: It is given that the mean is 90 and standard deviation is 10.

Q: Refer to the sample data for polygraph tests shown below. If one of the test subjects is randomly…

A: The contingency table is given as,   No (Did Not Lie) Yes (Lied) Row total Positive…

Q: Refer to the sample data for polygraph tests shown below. If one of the test subjects is randomly…

A: Obtain the probability that the subject is not lying.   The probability that the subject is not…

Q: Given a normal population with mean = 39 and variance = 16, what is the probability of obtaining an…

A:

Q: If the significance level of a test is 0.05 and the probability of a Type II error is 0.15, what is…

A:

Q: unt of electric bills for all households in a city have a skewed probability distribution with a…

A: (a) Given: μ=65, σ=25, n=75 The corresponding z-value needed to be computed is: The probability…

Q: Refer to the sample data for polygraph tests shown below. If one of the test subjects is randomly…

A: Total number of subjects N = 108 Number of subjects lying NL = (12 + 37) = 49

Q: The mattress company Amerisleep recently conducted a survey and concluded that more than half of all…

A:

Q: Assume that the heights of 6000 male students at a university are normally distributed with mean…

A:

Q: Refer to the sample data for polygraph tests shown below. If one of the test subjects is randomly…

A: From the data given:     No (Did not lie) Yes (Lied) Total Positive test results 17 46 63…

Q: Suppose the heights of 18 year old men are approximately normally diatributed, with mean 67 inches…

A: Mean = 67 Standard deviation = 5

Q: deviation 3 and that random variable ? is normal with mean 0 and standard deviation 4. Suppose that…

A: Answer:

Q: A racing car consumes a mean of 103 gallons of gas per race with a variance of 36. If 38 racing…

A: The probability of the sample mean would be greater than 101.5 gallons is 0.9382 and it is obtained…

Q: The service time for customers coming through a checkout counter has mean 51.4 seconds and standard…

A: Given: Service time = X Mean of X = 51.4 sec standard deviation of X = 6.8 sec n = 64 sample mean =…

Q: It is impossible to get 6 jacks when selecting cards from a shuffled deck. Express the indicated…

A: Note- Since both questions are different, so I am giving you a solution for the first question only.…

Q: A soda company claims that the mean amount of soda in their bottles is 12 ounces. Determine whether…

A: Given,   A soda company claims that the mean amount of soda in their bottles is 12 ounces.   The…

Q: A brewery claims that the mean amount of beer in their bottles is at least 12 ounces. Determine…

A:

Q: 2.Suppose that 60% of middle school students in San Diego wear braces. A random sample of 250 San…

A: Given Information : Suppose that 60% of middle school students in San Diego wear braces. A random…