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soldi70 [24.7K]
3 years ago
10

MN bisects PQ at point R. Which of the following is true about point R?

Mathematics
2 answers:
makvit [3.9K]3 years ago
8 0

yes B is right i would have to go with u on that one yes

FrozenT [24]3 years ago
7 0
The correct answer for this would be B
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Joe heard from a reliable source that only 22% of people actually sleep 8 hours or more per night. You do a survey and find 58 o
Juliette [100K]

Answer:

95% Confidence interval:  (31.32%,47.04%)

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 148

Number of people who sleep for 8 hours or longer, x = 58

\hat{p} = \dfrac{x}{n} = \dfrac{58}{148} = 0.3918

95% Confidence interval:

\hat{p}\pm z_{stat}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

z_{critical}\text{ at}~\alpha_{0.05} = 1.96

Putting the values, we get:

0.3918\pm 1.96(\sqrt{\dfrac{0.3918(1-0.3918)}{148}})\\\\ = 0.3918\pm 0.0786\\\\=(0.3132,0.4704)=(31.32\%,47.04\%)

(31.32%,47.04%)  is the required 95% confidence interval.

8 0
3 years ago
Find the new amount given the original amount and the percent of change. $5; 40% increase The new amount is $
bekas [8.4K]

Answer:

3

Step-by-step explanation:

5$ -40%=3

7 0
3 years ago
Read 2 more answers
PLS HELP ME ASAP. I don’t have time to do this. It also detects if it’s right or wrong.
nadezda [96]

Answer:

153.86

Step-by-step explanation:

3.14*7^2=153.86

6 0
2 years ago
Is triangle prq equal to triangle Xyz ? If so, name which similarity postulatebor theorem applies.
Salsk061 [2.6K]

Answer:

I'm not sure for my answer 'cuz I just learned this but i think its A because even though the size changes, the corresponding angle measure are the same and the corresponding sides are proportional.

(Tell me if I'm wrong.)

3 0
3 years ago
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A survey of an athletic shoe store’s customers showed that 8% of the customers run every day. The store has approximately 1900 c
dem82 [27]
Find 8% of 1900.

0.08 * 1900 = 152

So 152 customers run every day.
7 0
3 years ago
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