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3 years ago

Write 6 5/12 as a decimal rounded to the nearest hundredth.

Mathematics

1 answer:

Aleks04 [339]3 years ago

3 0

6.416 is the decimal

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For women aged 18-24, systolic blood pressures are normally distributed with a mean of 114.8 mm Hg and a standard deviation of

NNADVOKAT [17]

Answer:

0.0579 is the probability that mean systolic blood pressure is between 119 and 122 mm Hg for the sample.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 114.8 mm Hg

Standard Deviation, σ = 13.1 mm Hg

Sample size = 23

We are given that the distribution of systolic blood pressures is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

Standard error due to sampling:

$\displaystyle\frac{\sigma}{\sqrt{n}} = \frac{13.1}{\sqrt{23}} = 2.731$

P(blood pressure is between 119 and 122 mm Hg)

$P(119 \leq x \leq 122) = P(\displaystyle\frac{119 - 114.8}{2.731} \leq z \leq \displaystyle\frac{122-114.8}{2.731}) = P(1.537 \leq z \leq 2.636)\\\\= P(z \leq 2.636) - P(z < 1.537)\\= 0.9958 - 0.9379 = 0.0579= 5.79\%$

$P(119 \leq x \leq 122) = 5.79\%$

0.0579 is the probability that mean systolic blood pressure is between 119 and 122 mm Hg for the sample.

8 0

3 years ago

4. Express the following rational number in its lowest form :

MaRussiya [10]

Answer:

-60/72 = -5/6

-24/36 = -2/3

91/364 = 45/182

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3 years ago

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Softa [21]

Answer: A 8040 is exactly divisible by 67 the quotient is 120

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2 years ago

1. Find the length of the leg, X. If your answer is not an integer, leave it in simplest radical form (picture 1)

stepan [7]

I think it is C..... good luck

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3 years ago

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Find four consecutive natural numbers if you know that the product of the first two is 38 less than the product of the following

Fynjy0 [20]

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3 years ago

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