Statistics

During flu season, a city medical center needs to keep a large supply of flu shots. A nurse’s aid compiles data on the number of flu shots given per day in the past few years during flu season. A cumulative probability chart of the collected data is as follows:

How many flu shots should the center store every day to meet the demand on 95 percent of the days?

(A) At most 190
(B) At most 140
(C) Exactly 170
(D) At least 150
(E) At least 200
Statistics

An outlier is an observation that

(A) is seen more frequently than the other observations in the data set
(B) is seen less frequently than the other observations in the data set
(C) is always smaller than the other observations in the data set
(D) is always larger than the other observations in the data set
(E) is significantly different from the other observations in the data set