Answer
Jack’s distribution: $μ_{X ̅}=50$
Diane’s distribution: $μ_{X ̅}=50$
Work Step by Step
$μ_{X ̅}=μ=50$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.