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VMariaS [17]
3 years ago
13

The table shows the results of three surveys that randomly sampled 50 people about their favorite vacation spot

Mathematics
2 answers:
11111nata11111 [884]3 years ago
7 0

Answer:

400

Step-by-step explanation:

Just took the test. please rate snd like my answer.

Wewaii [24]3 years ago
6 0
The probability a person will pick the beach based on these samples is 50/150, or 1/3. If 1200 people are asked, 400 will  most likely pick the beach as a favorite vacation spot.
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Select all the pairs that are alternate interior angles​
NNADVOKAT [17]

Answer:

- ∠3 & ∠5

- ∠2 & ∠8

----------------------------------------------------------------------

Interior Angles - Angles that appear <u>INSIDE </u>the transversal

Transversal - The shape you see with two parallel lines intersecting it.

Alternate - Opposite of each other, on the other side as well.

5 0
3 years ago
The weights of newborn babies are distributed normally, with a mean of approximately 105 Oz and a standard deviation of 15 Oz. I
ICE Princess25 [194]

Answer:

0.999 = 99.9% probability that the baby weighs less than 150 Oz.

Step-by-step explanation:

When the distribution is normal, we use 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.

The weights of newborn babies are distributed normally, with a mean of approximately 105 Oz and a standard deviation of 15 Oz.

This means that \mu = 105, \sigma = 15

What if the probabability that the baby weighs less than 150 Oz?

This is the pvalue of Z when X = 150. SO

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

Z = \frac{150 - 105}{15}

Z = 3

Z = 3 has a pvalue of 0.999

0.999 = 99.9% probability that the baby weighs less than 150 Oz.

7 0
2 years ago
-11x - 72 = 84 + x<br> And I also need to do the check part
Montano1993 [528]

Answer:

Step-by-step explanation:

-11x - 72 = 84 + x

combine like terms on opposite side of =

(-11x )+ (-1x) = (84) + (72)

-12x = 156

divide both sides by -12 to isolate x

-12/-12 = 156/-12

x = -13

insert (-13)  for x

(-11 * -13) -72 = 84 + (-13)

71                =          71

equality means its right

6 0
2 years ago
2(x + 7) + 3 x = 12 <br> what is the first step In solving this equation for x?
DIA [1.3K]

Answer:

The first step would be to distribute that 2 into the numbers in the parenthesis.

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Help anyone can help me do this question,I will mark brainlest.​
postnew [5]

Answer:

Step-by-step explanation:

7 0
3 years ago
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