© 2011 BFW PublishersThe Practice of Statistics, 4/e- Chapter 8363Quiz 8.1CAP StatisticsName:1.Suppose you know that the distribution of finishing times for a certain crossword puzzle hasa mean of 25 minutes, a standard deviation of 8 minutes, and is moderately skewed left.Youtake an SRS of 45 finish times from this distribution and calculate the mean finish time,.(a) Describe the shape, center, and spread of the sampling distribution of.(b) Find a number,k, such that 95% of the values in the sampling distribution will lie withinkminutes of the mean of the distribution.(c) If you take repeated samples of size 45 from this population, what proportion of the timewill the intervalxkrcontain the number 25?Explain.xx