ing distances of a Honda CRV can be approximated by a normal distribution, where the mean is 54 meters and the standard deviation is 4.5 meters.  Suppose a random sample of 20 Honda CDVs is selected.  Find the probability that the sample mean is less than 53.5 meters.      0.456     0.427     0.309     0.293

Q: Assume that adults have IQ scores that are normally distributed with a mean of 96.8 and a standard…

A: Let "X" be the IQ score of the adults.

Q: Find the probability that the sample mean is between 40 and 50. Sample size is 36 are drawn randomly…

A: From the provided information, Mean (µ) = 45 Standard deviation (σ) = 20 X~N (45, 20) Sample size…

Q: . What is the probability that the student will get into a college whose entrance score is 550?

A:

Q: f the necks of giraffes follow a Normal distribution with mean = 1.8 meters and standard deviation =…

A: Given Normal distribution with mean u = 1.8 meters  standard deviation sigma = 0.2 meters.

Q: If a brisk walk at 4 mph burns an average of 300 cal per hour, find the probabilit that a person…

A:

Q: If the scores follow normal distribution with a mean of 120, a standard deviation of 10, find…

A: Solution

Q: The length of time it takes a group of Senior Citizens to play the one game of Candy Crush computer…

A: Given

Q: Assume that blood pressure readings are normally distributed with a mean of 135 and a standard…

A: According to the given information, we have Mean = 135 Standard deviation = 4.7 Sample size = 35

Q: A veterinary researcher takes an SRS of 60 horses presenting with colic. The average age of the 60…

A: Given that, μ=10,σ = 8,n= 60 The mean and standard deviation of the sampling distribution of sample…

Q: The average length of crocodiles in a swamp is 11 feet. If the lengths are normally distributed with…

A: Given: μ = 11 σ = 1.5 Formula Used: Z = X-μσ

Q: The average life of a brand of automobile tires is 30,000 miles, with standard deviation of 2,000…

A: Mean = 30000 Standard deviation = 2000

Q: A normal distribution is observed from the body weights of the forty students in a class. If the…

A: Given information Mean (µ) = 125 Standard deviation(σ) = 9 As per empirical Rule 68% falls within…

Q: Scores on an entrance exam in a large university, freshman course are normally distributed with mean…

A: Given,mean(μ)=72.5standard deviation(σ)=13.0sample size(n)=40

Q: Assume that the heights of men are normally distributed with a mean of 69.5 inches and a standard…

A: It is given that  Mean, μ = 69.5 Standard deviation, σ = 2.1 Sample size, n = 36

Q: Scores on the SAT test have a mean of 1518 and a standard deviation of 325. If 100 students are…

A: Scores on the SAT test have a mean of 1518 and a standard deviation of 325.

Q: find the probability that the mean time of a sample of 15 Americans who shower will be less than 12…

A:

Q: The scores on a national achievement exam are normally distributed with a mean of 500 and a standard…

A: Let X be the random variable   Mean=500 SD=100   X~ Normal (500, 100^2)

Q: bank's loan officer rates applicants for credit. The ratings are normally distributed with a mean of…

A:

Q: The heights of 9-year-old children are normally distributed, with a mean of 123 cm and a standard…

A: It is given that the mean is 123, the standard deviation is 10 and the sample size is 3.

Q: Assume the random variable X is normally distributed, with mean p= 44 and standard deviation o = 9.…

A: It is given that mean is 44 and standard deviation is 9.

Q: male beluga whales have a mean weight of 1980 pounds with a standard deviation of 220 pounds.…

A:

Q: The average height of women is 64 inches. The standard deviation is 2 inches. The heights have a…

A: Let, X= height of women  Given that X follows normal distribution with mean= 64 inches and standard…

Q: The average number of moves a person makes in his or her lifetime is 12. If the standard deviation…

A: Given,   Mean = 12 Standard deviation = 3.2 Sample size = 30