Short Answer
The average amount customers at a certain grocery store spend yearly is $647.87. Assume the variable is normally distributed. If the standard deviation is $98.39, find the probability that a randomly selected customer spends less than $677.39.
Correct Answer:
Verified
Correct Answer:
Verified
Q72: Fifty people participated in a poll
Q73: <span class="ql-formula" data-value="\begin{array}{l}\text { Construct a bar
Q74: Twelve students took a placement exam with
Q75: For the 20 test scores shown, find
Q76: For the 20 test scores shown, find
Q78: <span class="ql-formula" data-value="\begin{array}{l}\text { Find the equation
Q79: The exam grades of 31 students
Q80: Find the standard deviation. 33 38 38
Q81: Find <span class="ql-formula" data-value="Q _
Q82: <span class="ql-formula" data-value="\begin{array}{l}\text { Use the equation