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inessss [21]
3 years ago
10

—- PB. It has endpoints at -2 and 12. What is the coordinate of its midpoint

Mathematics
1 answer:
netineya [11]3 years ago
7 0

Answer:

The midpoint is 5

Step-by-step explanation:

we know that

The formula to calculate the midpoint between two numbers is

M=(\frac{x1+x2}{2})

we have

x1=-2, x2=12

substitute

M=(\frac{-2+12}{2})

M=(\frac{10}{2})

M=5

therefore

The midpoint is 5

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Sindrei [870]
There are 2 pints in a quart. So, half of 2 is 1. Your answer is 3 pints for 1.5 quarts.
6 0
3 years ago
Need help
aleksandr82 [10.1K]

Using the normal distribution, the probabilities are given as follows:

a. 0.4602 = 46.02%.

b. 0.281 = 28.1%.

<h3>Normal Probability Distribution</h3>

The z-score of a measure X of a normally distributed variable with mean \mu and standard deviation \sigma is given by:

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

  • The z-score measures how many standard deviations the measure is above or below the mean.
  • Looking at the z-score table, the p-value associated with this z-score is found, which is the percentile of X.
  • By the Central Limit Theorem, the sampling distribution of sample means of size n has standard deviation s = \frac{\sigma}{\sqrt{n}}.

The parameters are given as follows:

\mu = 959, \sigma = 263, n = 37, s = \frac{263}{\sqrt{37}} = 43.24

Item a:

The probability is <u>one subtracted by the p-value of Z when X = 984</u>, hence:

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

Z = \frac{984 - 959}{263}

Z = 0.1

Z = 0.1 has a p-value of 0.5398.

1 - 0.5398 = 0.4602.

Item b:

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

By the Central Limit Theorem:

Z = \frac{X - \mu}{s}

Z = \frac{984 - 959}{43.24}

Z = 0.58

Z = 0.58 has a p-value of 0.7190.

1 - 0.719 = 0.281.

More can be learned about the normal distribution at brainly.com/question/4079902

#SPJ1

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Answer:

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5 0
3 years ago
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Can you guys help me on this?
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Answer:

1/3

Step-by-step explanation:

there's 9 socks in total and  3 black socks so if it's simplyfied it would be 1/3

5 0
3 years ago
Read 2 more answers
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