The sample standard deviation follows a normal distribution if the population follows a normal distribution O True O False

Select the appropriate word or phrase to complete each sentence. Part: 0/2 Part 1 of 2 The proportion of a population that is contained within an interval corresponds to an area under the probability normal curve. Part: 1/2 Part 2 of 2 v each other. a normal distribution are (Choose one) standardized by equal to different from The mean, median, and mode Continue OEmerson

The distribution of average hours worked per week for random samples of 1000 workers in the U.S. has a mean of 40 and a standard error of 0.04 The distribution in this scenario is a: sampling distribution sample distribution population distribution

Find the probability for a normal distribution p(-0.80

Degrees of freedom are used to correct for the fact that population standard deviation will always be less precise than the sample standard deviation true false

The graph of the normal distribution resembles a "bell" curve. True SAMSUNG & False C $ % * 0

The standard normal curve shown below models the population distribution of a random variable. What proportion of the values in the population does not lie between the two z-scores indicated on the diagram? 2 =- 1.25 z= 0.80 A. 0.3064 B. 0.3175 C. 0.3102 D. 0.2881