A population of values has a normal distribution with μ=158.7 and σ=63. a. Find the probability that a single randomly selected value is between 168 and 179.1. Round your answer to four decimal places. P(168<X<179.1)= b. Find the probability that a randomly selected sample of size n=55 has a mean between 168 and 179.1. Round your answer to four decimal places. P(168<M<179.1)=
The population of weights of a particular fruit is normally distributed, with a mean of 466 grams and a standard deviation of 38 grams. If 6 fruits are picked at random, then 19% of the time, their mean weight will be greater than how many grams? Round your answer to the nearest gram.
A manufacturer produces a commodity where the length of the commodity has approximately normal distribution with a mean of 12.1 inches and standard deviation of 0.9 inches. If a sample of 46 items are chosen at random, what is the probability the sample's mean length is greater than 11.8 inches? Round answer to four decimal places. Question Help: D Video
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