How much area is up to – 1.645 under standard normal curve? (show all work)

Question

Question

math Statistics-And-Probability

Answer 1

Answer #1

The answer is:

Pr(Z≤−1.645)=0.05. We can use either normal tables or Excel.

Excel =NORM.S.DIST(-1.645,TRUE)

The following is obtained graphically:

Let me know in the comments if anything is not clear. I will reply ASAP! Please do upvote if satisfied!

Answer 2

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