If, in a random sample of items, are defective, what is the sample proportion of defective items?

Complete Question:

If in a random sample of 400 items, 88 are defective, what is the sample proportion of defective items?

22%

Step-by-step explanation:

Given

Required

Determine the sample proportion, p

p is calculated using the following formula

Substitute values for x and n

Convert to percentage

Hence, the proportion of defective items is 22%

b) 1/3 * 1/5

step-by-step explanation:

each smallest part is 1/15 since the written one is 1/5 and it's divided by 3 equal parts. (1/5 )/3 = 1/15 = 1/3 * 1/5