A company claims that its packages of beads contain, on average, 50 beads with a standard deviation of 5.4 beads. In a hypothesi

Question

3 years ago

8

A company claims that its packages of beads contain, on average, 50 beads with a standard deviation of 5.4 beads. In a hypothesi

s test of this claim, H0 is µ = 50 and Ha is µ ≠ 50, where µ is the average number of beads per package. Based on a sample of 20 packages, Celia calculates a mean of 52.5 beads per package
What is the z-statistic for the sample? Round the answer to the nearest hundredth

Mathematics

2 answers:

Sergio039 [100] · Answer 1 · 2022-02-26T15:30:04+03:00

Sergio039 [100]3 years ago

8 0

Answer:

The answer is 2.07

Step-by-step explanation:

trapecia [35] · Answer 2 · 2022-02-26T17:28:45+03:00

trapecia [35]3 years ago

3 0

Answer:

first answer is 2.07

second answer is A) the answer should be rejected