Write the fraction or mixed numbers as a decimal

Mathematics

1 answer:

sp2606 [1]3 years ago

5 0

The answer would be 32.2

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The tax rate is 8.5% What is the tax on 95$? Round to the nearest hundredth

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Tax = 8.5% x $95 = $8.08 (nearest hundredth)

Answer: $8.08

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4 years ago

In the measurement of 67.93 cm, which digit is estimated? click on the estimated digit

scoundrel [369]

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3 years ago

Suppose that the mean systolic blood pressure for women over age seventy is 134 mmHg (millimeters of mercury), with a standard d

IceJOKER [234]

Answer:

See below for answers (in bold) and explanations

Step-by-step explanation:

Part A

According to the Empirical Rule, 99.7% of the data in a normal distribution are ±3σ standard deviations away from the mean. Hence, approximately 99.7% of women over seventy have blood pressures between 134-3σ = 134-3(7) = 134-21 = 113 mmHg and 134+3σ = 134+3(7) = 134+21 = 155 mmHg.

Part B

As 141-134=134-127=7, this represents ±1σ standard deviations away from the mean of 134 mmHg, which corresponds to 68% of the data by the Empirical Rule. Hence, approximately 68% of women over seventy have blood pressures between 127 mmHg and 141 mmHg