SOLUTION: The mean incubation time of fertilized eggs is 19 days. Suppose the incubation times are approximately normally distributed with a standard deviation of 1 day.
​(a) Determ
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Question 1050446: The mean incubation time of fertilized eggs is 19 days. Suppose the incubation times are approximately normally distributed with a standard deviation of 1 day.
(a) Determine the 16th percentile for incubation times.
(b) Determine the incubation times that make up the middle 97% of fertilized eggs.
How can I solve this (preferably) using a TI calculator?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
a) z = invNorm(.16)-.9945 Use Your TI
0r
= 18days
|
b middle 97%: from .015 to .985
z = invNorm( 98.5)= 2.17 and invNorm(.015)= -2.17
P(-2.17 ≤ z ≤ 2.17).
TI syntax is normalcdf(smaller z, larger z)
P(-2.17 ≤ z ≤ 2.17) = normalcdf(-2.17, 2.17) Use Your TI
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