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2 years ago

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A 72.9-foot rope from the top of a circus tent pole is anchored to the ground 44.9 feet from the bottom of the pole. What angle

does the rope make with the pole? (Assume the pole is perpendicular to the ground. Round your answer to one decimal place.)

1 answer:

Ilia_Sergeevich [38]2 years ago

4 0

See the attachment.

It is in the attachment (photo)

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According to the National Vital Statistics, full-term babies' birth weights are Normally distributed with a mean of 7.5 pounds a

Sav [38]

Answer:

68.26% probability that a randomly selected full-term pregnancy baby's birth weight is between 6.4 and 8.6 pounds

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

$\mu = 7.5, \sigma = 1.1$

What is the probability that a randomly selected full-term pregnancy baby's birth weight is between 6.4 and 8.6 pounds

This is the pvalue of Z when X = 8.6 subtracted by the pvalue of Z when X = 6.4. So

X = 8.6

$Z = \frac{X - \mu}{\sigma}$

$Z = \frac{8.6 - 7.5}{1.1}$

$Z = 1$

$Z = 1$ has a pvalue of 0.8413

X = 6.4

$Z = \frac{X - \mu}{\sigma}$

$Z = \frac{6.4 - 7.5}{1.1}$

$Z = -1$

$Z = -1$ has a pvalue of 0.1587

0.8413 - 0.1587 = 0.6826

68.26% probability that a randomly selected full-term pregnancy baby's birth weight is between 6.4 and 8.6 pounds

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2 years ago

Sarah has a floor plan of the Jefferson building. The actual building is 168 feet long. What is the scale factor for the floor p

Bas_tet [7]

The answer is B. Hope I helped!

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Jane addresses twice as many envelopes as Louis in the same amount of time. Together, they address 300 envelopes each day.

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Jane addresses 200, while Louis addresses 100.

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(i) 2^6

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Show that the Hessian of a scalar-valued linear transformation<br> isidentically zero.

Darya [45]

Answer:

ok boomer

Step-by-step explanation:

because i said so also ban me if you want i dont care little 1+1

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