Becky has 30 t shirts in a drawer: 12 Concert shirt 8 team shirts and 10 plain shirt. Of the 10 shirts she randomly selects to give to charity 3 are concert shirts. How does this frequency compare to the expected from what's the frequency based on the probability of randomly selecting a concert shirt.

A. The frequency is 1 fewer than expected

B. The frequency is 9 fewer than expected

C. The frequency is 2 more than expected

D. The frequency is the same as expected

Question

Mathematics

Yosef Harvey

16 December, 14:14

Becky has 30 t shirts in a drawer: 12 Concert shirt 8 team shirts and 10 plain shirt. Of the 10 shirts she randomly selects to give to charity 3 are concert shirts. How does this frequency compare to the expected from what's the frequency based on the probability of randomly selecting a concert shirt.

A. The frequency is 1 fewer than expected

B. The frequency is 9 fewer than expected

C. The frequency is 2 more than expected

D. The frequency is the same as expected

+3

Answers (1)

Know the Answer?

Caylee Singh · Answer 1

A

Step-by-step explanation:

You take the number of shirts you have and are focusing on. In this case concert (12) and divide it by the total number of shirts to get the expected.