High School

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The weights of 1,000 men in a certain town follow a normal distribution with a mean of 150 pounds and a standard deviation of 15 pounds.

From the data, we can conclude:

- The number of men weighing more than 165 pounds is about what?
- The number of men weighing less than 135 pounds is about what?

Answer :

Answer:

Both boxes is 160

Step-by-step explanation: Edmentum / Plato

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Rewritten by : Barada

z = ( 135 - μ ) / σ = -1
z = ( 165 - μ ) / σ = 1
P (x < 135) = P (z < -1) = 0.1587
P (165 < x) = P (1 < z) = 0.1587
.187 * 1000 = 187 more than 165
.187 * 1000 = 187 less than 135