Assume that in a given group of men between the age of 20 and 30, cholesterol levels are normally distributed. The mean is 178.1, and the standard deviation is 40.7. What percentage of men in this age range have a cholesterol level less than 239.15? Give your answer to the nearest hundredth of a percent. Example: 0.0125 would be 1.25%.

Q: Identify the data value corresponding to the indicated percentile. The amount of sleep an adult gets…

A: Let us define the random variable X as the amount of sleep an adult gets per day is normally…

Q: Suppose that the exam scores of a statistics class were normally distributed with a mean of 94 and…

A: Solution: Let X be the exam score of a statistics class. From the given information, X follows…

Q: A standardized test has a pop. mean of 152 and a standard deviation of 16. Molly scores at the 91st…

A:

Q: A successful basket ball player has a height of 6 feet 4 inches. Based on statistics his height…

A: As given, The basketball player has a height of 6 feet 4 inches and when his height is converted to…

Q: The average age of class is 22.3 years. The standard deviation is 4.7 years. If the variable is…

A: Given that μ=22.3σ=4.7

Q: ASK YOUR TEACHER   A normal distribution has a mean of 85.3 and a standard deviation of 4.84. Find…

A:

Q: The mean and standard deviation of a normal distribution are given below. H = 78.2 O = 2.8…

A: empirical rules:1) P(μ-σ<X<μ+σ)=68%2) P(μ-2σ<X<μ+2σ)=95%3) P(μ-3σ<X<μ+3σ)=99.7%

Q: Help The mean useful life of car batteries is 48 months. They have a standard deviation of 5. Assume…

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Q: Given a scenario where n=100 and p=0.8, find the mean.

A: In this case the sample size is n = 100 and p = 0.8.