Answer
P = 0.1038, fail to reject $H_{o}$ at α = 0.10
Work Step by Step
For a right tailed test, using standard normal table:
P(z > 1.23) = 0.1038
$P \gt 0.10$
Hence fail to reject $H_{o}$ at α = 0.10
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.