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Hi, can you help me answer this question, please, thank you!

Hi, can you help me answer this question, please, thank you!-example-1
User Kieran Allen
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1 Answer

13 votes
13 votes

Given:

mean, u = 0

standard deviation σ = 1

Let's determine the following:

(a) Probability of an outcome that is more than -1.26.

Here, we are to find: P(x > -1.26).

Apply the formula:


z=(x^(\prime)-u)/(\sigma)

Thus, we have:


\begin{gathered} P(x>-1.26)=(-1.26-0)/(1) \\ \\ P(x>-1.26)=(-1.26)/(1)=-1.26 \end{gathered}

Using the standard normal table, we have:

NORMSDIST(-1.26) = 0.1038

Therefore, the probability of an outcome that is more than -1.26 is 0.1038

(b) Probability of an outcome that

User Rafique
by
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