A variable is normally distributed with mean 14 and standard deviation 2 a Determine the quartiles of the variable b Obtain and

Question

A variable is normally distributed with mean 14 and standard deviation 2 a Determine the quartiles of the variable b Obtain and interpret the 80th percentile c Find the value that 65 of all possible values of the variable exceed d Find the two values that divide the area under the corresponding normal curve into a middle area of 0 95 and two outside areas of 0 025 Interpret the answer Click here to view page 1 of the standard normal distribution table Click here to view page 2 of the standard normal distribution table Q Q Round to two decimal places as needed a b The 80th percentile is Round to two decimal places as needed Choose the correct answer below SPEC Q3 A The 80th percentile is the number that is 80 of the largest data value B The 80th percentile is the number that divides the bottom 80 of the data from the top 20 of the dat C The 80th percentile is the number that divides the bottom 20 of the data from the top 80 of the dat D The 80th percentile is the number that occurs in the data 80 of the time

Kunduz · Accepted Answer

Click to see the answer