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3 years ago

Henry can write 5 pages of

Mathematics

2 answers:

Kryger [21]3 years ago

7 0

Answer:

13.3333, equivilant to 13 pages

Step-by-step explanation:

divide 5 by 3 to get the unit rate, then multiply the unit rate by 8.

kirill [66]3 years ago

5 0

Answer:

13.28

Step-by-step explanation:

5/3 = 1.66

1.66 x 8 = 13.28

(Please tell me if this is wrong)

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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.

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3 years ago

I need help in Econ

kicyunya [14]

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3 years ago

In the parallelogram w

Ilia_Sergeevich [38]

Answer:

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3x + 2y = 12 y = x - 9<br> solve by substitution

mezya [45]

Point form: (6,-3)
equation form: x=6, y=-3

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3 years ago

The first play of a football game resulted in a loss of 12 and 1/2 yards . Then a penalty resulted in another loss of 5 yards .W

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3 years ago