The 3-point shooter star of your favourite team usually attempts eight 3-point shots in a basketball game. The team record shows that the shooter makes 30% of all 3-point shots attempted in a game. Assuming that the shots are independent of each

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Q: Human body temperatures are normally distributed with a mean of 98.2 degrees and a standard…

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Q: he distribution of heights of adult males has a mean of 69 inches and a standard deviation of 4…

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Q: A student takes a multiple choice exam with 10 questions, each with four possible selections for the…

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Q: A group of statistics students decided to conduct a survey at their university to find the average…

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Q: Assume that 15% of 14 year olds believe in spending their money as opposed to saving it. a) Find…

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Q: The average number of pounds of red meat a person consumes each year is 196 with a standard…

A: We are given,μ = 196σ = 22n = 60

Q: Full time Ph.D. students receive an average of $13,537 per year. If the average salaries are…

A: Introduction: Define X as the random variable of interest here, which denotes the salary of the…

Q: A survey showed that 75% of adults need correction (eyeglasses, contacts, surgery, etc.) for their…

A: From the provided information, Sample size (n) = 11 75% of adults need correction for their eyesight…

Q: Billiard tables have mean degree of balance 0 and standard deviation 1. What is the probability…

A: It is given that the degree of balance is normally distributed with mean 0 and standard deviation is…

Q: find the mean and standard deviation of the number of heads obtain

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Q: A survey indicates that for each trip to the supermarket, a shopper spends an average of 45 minutes…

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Q: A fair coin is tossed three times (consecutively). If X is the number of heads of the first shot and…

A: It is an important part of statistics . It is widely used .

Q: A sniper hits a target 80% of the time. He fires five shots at the target. Find  A. Probability…

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Q: 2. Automobile Repair Costs. Automobile repair costs continue to rise with the average cost now at…

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Q: James and Harry play baseball and each of them can score one goal with the probabilities of 0.4 and…

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Q: 3) An F-1 race has an average length of 305 kilometers with a standard deviation of 72 kilometers.…

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Q: We can assume that the heart rate of healthy spanish men follows a normal distribution with mean 80…

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Q: Suppose that the number of hours that an adult watches in a day has a mean of 2.4 hours and a…

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Q: The probabilities that a person is receiving a chat message 0, 1, 2, 3, 4, or 5 per day are the…

A: Let X be the random variable having probability distribution is,  X 0 1 2 3 4 5 P(x)  0.08 0.19…

Q: According to BusinessWeek, 44% of advertisers claim they have been a victim of internet click fraud.…

A: The mean is, μ=np=120×0.44=52.8 The mean is 52.8. The standard deviation is,…

Q: Solve the problem. Assume that mountain lions' weights are normally distributed with a mean of 62.6…

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Q: A professor knows that her statistics students' final exam scores have a mean of 79 and a standard…

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Q: A class has 12 students registered. On any class time 45% of the students are absent. a. Find the…

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Q: You play a game of chance that you can either win or lose (there are no other possibilities) until…

A: Probability of losing (p) the game is 0.61 Probability of winning the game = 1- p = 1- 0.61=0.39

Q: Q6- Assume the probability that a maple tree at age 5 grows less than 140 cm is equal to 0.2. If the…

A: Given Data: Let X represent the height of the maple tree P(x<140)=0.2 σ=81=9

Q: of 11 printers. Part i) Suppose the number of printers drawn is quadrupled. How will the standard…

A: Given:  the printing speed is a Normal random variable with a mean of 17.57 ppm and a standard…