Statistics
posted by Cynthia .
are the following statements, Ho:=10 and Ha:equal to or less than, a valid pair of null and alternative hypothesis?assume that in a hypothesis test with null hypothesis Ho : u = 12.0 at a = 0.10, that a value of 16.0 for the sample mean results in the null hypothesis being rejected. that corresponds to a confidence interval result of

It would help if you proofread your questions before you posted them.
Ho: mean = 10
Ha: mean < 10 ("equal to" is the Ho.)
"Ho : u = 12.0 at a = 0.10"?
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