## Related questions with answers

Question

Find the proportion of observations of a standard normal distribution for each region. The region to the left of z=-0.43

Solution

VerifiedAnswered 6 months ago

Answered 6 months ago

Step 1

1 of 2To find the area to the left of $z = -0.43$ under standard normal distribution curve we use Appendix Table A.3

We check the entry corresponding to row marked $-0.40$ and column marked $0.03$, Hence

$\text{Area to the left of z-score of -0.43} = 0.3336$

Hence the proportion of observations of a standard normal distribution to the left of $z=-0.43$ is $33.36\%$

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