1point

6.

This following histogram shows the distribution of (first, for the year) health inspection scores (on a scale of 0-100, with 100 being the highest possible score) on restaurants inspected in Austin, Texas (USA) from January through August 2020. All restaurants in Austin are inspected at least once every calendar year. All values shown are from the first inspection made in this time period. Also included in the graphic are summary statistics for this sample of inspection scores.

Suppose that restaurants receiving an inspection score of 82 or less are required to have a follow-up inspection within a month of receiving this score. Approximately, what percentage of inspections required such a follow-up inspection?

a. 3%

b. 5%

c. 10%

d. this cannot be answered without a standard normal table