What is 0.084 expressed as an exact present?

Mathematics

1 answer:

kotykmax [81]2 years ago

4 0

Answer:

Step-by-step explanation:

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fenix001 [56]

Answer: 0.03855

Step-by-step explanation:

Given :A population of skiers has a distribution of weights with mean 190 pounds and standard deviation 40 pounds.

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As per given ,

Population mean weight of 50 people = $\mu=50\times190=9500\text{ pounds}$

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Then , the probability its maximum safe load will be exceeded =

$P(X>10000)=P(\dfrac{X-\mu}{\sigma}>\dfrac{10000-9500}{282.84})\\\\=P(z>1.7671-8)\\\\=1-P(z\leq1.7678)\ \ \ \ [\because\ P(Z>z)=P(Z\leq z)]\\\\=1-0.96145\ \ \ [\text{ By p-value of table}]\\\\=0.03855$

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