Solve the problem. The systolic blood pressures of the patients at a hospital are normally distributed with a mean of 136mm Hg a

Question

3 years ago

9

Solve the problem. The systolic blood pressures of the patients at a hospital are normally distributed with a mean of 136mm Hg a

nd a standard deviation of 13.8mm Hg Find the two blood pressures having these properties: the mean is midway between them and 90% of all blood pressures are between them.

Mathematics

1 answer:

shtirl [24] · Answer 1 · 2022-08-14T02:41:41+03:00

shtirl [24]3 years ago

6 0

<span> we know that the 90 percentile in Z-score is ≈ 1.28 then,
=136 ± 1.28(13.8)
=(118.336 , 153.664)
</span>hope it helps