Answer: The second and the last answer are correct
Step-by-step explanation:
Answer:
1500 J is the correct answer.
Step-by-step explanation:
Answer:
Test statistics
Step-by-step explanation:
A test statistic is calculated to compare with the critical value approach. The critical value is found by choosing any value of significance level ∝ = 0.05, 0.1 or 0.01 . Mostly 5% is preffered .
The the calculated value of the test statistic is compared with the chosen value rejection region that whether it falls in the critical region or not.
The test statistic is applied on the conditions given. For example comapring many results can be done by using chi square or comparing two means can be done by t test or testing the variation can be done by F - test.
In the given problem a z test would be used.
Answer: 1/1000
Step-by-step explanation:
1 * 10^-3 = 1 * 1/10^3 = 1/1000
Answer:b
Step-by-step explanation:
