Help Fast What was the median score on the quiz?
A 10-item statistics quiz was given to 30 students. The
table below gives the scores received along with the
corresponding frequencies.
7.5
8.5
Score
Frequency
5
1
6
2
7
5
8
5
9.
7
10
10
9
10

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.