Birth weights at a local hospital have a Normal distribution, with a mean of 110 oz and a standard deviation of 15 oz. The propo

Question

san4es73 [151]

3 years ago

9

Birth weights at a local hospital have a Normal distribution, with a mean of 110 oz and a standard deviation of 15 oz. The propo

rtion of infants with birth weights below 125 oz is:
A. .500

B. .159

C. .341

D. .841

Mathematics

1 answer:

Mila [183] · Answer 1 · 2022-04-17T05:34:06+03:00

Mila [183]3 years ago

8 0

Answer:

<h2>125 is 1 dev above, so it's 13.5 + 2.35,</h2><h2>so it's B. 0.159</h2><h2 /><h2>And i think the proportion of infants with birthweights between 125 oz and 140 oz is :</h2><h2>D. 0.136</h2>