Question

SOLVE: A random sample of 160 commercial customers of PayMor Lumber revealed that 32 had paid their accounts within a month of billing. The upper bound for the 95 percent confidence interval for the true proportion of customers who pay within a month would be:

Answer 1

20% or 0.2

Explanation:

→ 32 ÷ 160

common factor

→ = ⅕

convert the number

→ = 20% or 0.2

hope this helps!

Answer 2

Answer:Yes

because there were at least 10 "successes" and at least 10 "failures" in the sample

Explanation: