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xxTIMURxx [149]
2 years ago
7

Use Pythagorean Theorem to solve for D. Round your answer to the nearest tenth

Mathematics
2 answers:
creativ13 [48]2 years ago
4 0

Answer:

18.9

Step-by-step explanation:

hope this helps

Aneli [31]2 years ago
3 0
The answer is B. 18.9
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Answer:

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Step-by-step explanation:

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4 0
2 years ago
Problem PageQuestion Calcium levels in people are normally distributed with a mean of mg/dL and a standard deviation of mg/dL. I
SIZIF [17.4K]

Complete Question

The complete question is shown on the first uploaded image

Answer:

The  calcium level that is the borderline between low calcium levels and those not considered low is  c = 8.68

Step-by-step explanation:

From the question we are told that

    The mean is  \mu =  9.5\  mg/dL

     The standard deviation \sigma =  0.5 \ mg/dL

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Let X be a X random calcium level

  Now the  P(X < c) = 0.05

Here P denotes probability

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  Since the calcium level is normally distributed the z-value is  evaluated as

    P(Z < \frac{c - \mu}{\sigma } ) = 0.05

The critical value for 0.05 from the standard normal distribution table is

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=>    \frac{c - \mu}{\sigma }  =  -1.645

substituting values

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=>    c - 9.5 =  -0.8225

=>     c = 8.68

 

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3 years ago
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