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meriva
3 years ago
9

Question 6 pleaseeee

Mathematics
1 answer:
Naya [18.7K]3 years ago
8 0
The answer is $1157.00
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Mariana [72]

No because irrational cant be a simple fraction and 9/15

is 0.6

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3 years ago
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Assume that blood pressure readings are normally distributed with a mean of 124 and a standard deviation of 6.4. If 64 people ar
Murrr4er [49]

Answer:

99.38%

Step-by-step explanation:

We have that the mean (m) is equal to 124, the standard deviation (sd) 6.4 and the sample size (n) = 64

They ask us for P (x <126)

For this, the first thing is to calculate z, which is given by the following equation:

z = (x - m) / (sd / (n ^ 1/2))

We have all these values, replacing we have:

z = (126 - 124) / (6.4 / (64 ^ 1/2))

z = 2.5

With the normal distribution table (attached), we have that at that value, the probability is:

P (z <2.5) = 0.9938

The probability is 99.38%

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3 years ago
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(b + a)^{10}

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4. Select all expressions equivalent to 5 *x+6+ (8x + 24).
KonstantinChe [14]

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Step-by-step explanation:

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