3 years ago

25 times what is fifty?

Mathematics

1 answer:

masha68 [24]3 years ago

4 0

Answer:

Step-by-step explanation:

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Pediatricians work an average of 48 h per week. The standard deviation is 12 hours. What percentage of pediatricians work more t

cricket20 [7]

Answer: 2.28 %

Step-by-step explanation:

Given : Mean : $\mu=\ 48$

Standard deviation : $\sigma= 12$

The formula to calculate the z-score :-

$z=\dfrac{x-\mu}{\sigma}$

For x = 72

$z=\dfrac{72-48}{12}=2$

The p-value = $P(2$

$1-0.9772498=0.0227502\approx0.0228$

In percent, $0.0228\times100=2.28\%$

Hence, the percentage of pediatricians work more than 72 h per week = 2.28 %

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3 years ago

PLEASE HELP!! 25 POINTS !!! Graphing

Sunny_sXe [5.5K]

A = 6, 2
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2 years ago

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Semenov [28]

Answer:

1.5

Step-by-step explanation:

because if u divide 6 by 4 that will equal 1.5

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The drama club is selling gift baskets to raise money for costumes. During the fall play, they sold a combined 20 regular gift b

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2 years ago

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