A certain brand of car tends to break down on average after 115,000miles with a standard deviation of 4800 miles. If 36 cars of this brand are sampled,find the probability that their average breakdown mileage is less than 113,500miles. a. 0.0301 b. 0.3783 c. 0.6217 d. 0.9699

Q: A certain brand of automobile tire has a mean life span of 38,000 miles and a standard deviation of…

A: Given: μ = 38000 Miles σ = 2250 Miles Formula Used: Z-score = X-μσ

Q: Suppose a population is known to be normally distributed with a mean, μ, equal to 116 and a standard…

A: Given information Mean = 116 Standard deviation = 14  between 102 and 130

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 10.7…

A: As per central limit theorem, the standard normal z score of sample mean x is defined as…

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: Suppose a population is known to be normally distributed with a mean, μ, equal to 116 and a standard…

A: Obtain the standard z-score for X equals 102. The standard z-score for X equals 102 is obtained…

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

A: We have given that,  X be the random variable from normal distribution with mean (μ) = 62.6 ,…