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deff fn [24]
2 years ago
9

PLS HELP BIG EXAM PLS I WILL GIVE A LOT PLSS HELP

Mathematics
2 answers:
Marina CMI [18]2 years ago
6 0

Answer

Lateral  103.67  in²

Total :864 in²

Step-by-step explanation:

Sladkaya [172]2 years ago
3 0

Answer: 11x1.5=16.5 if im correct

Step-by-step explanation:B)

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Test the claim that the proportion of people who own cats is significantly different than 80% at the 0.2 significance level. The
sattari [20]

Answer:

C. H0 : p = 0.8 H 1 : p ≠ 0.8

The test is:_____.

c. two-tailed

The test statistic is:______p ± z (base alpha by 2) \sqrt{\frac{pq}{n} }

The p-value is:_____. 0.09887

Based on this we:_____.

B. Reject the null hypothesis.

Step-by-step explanation:

We formulate null and alternative hypotheses as  proportion of people who own cats is significantly different than 80%.

H0 : p = 0.8 H 1 : p ≠ 0.8

The alternative hypothesis H1 is that the 80% of the  proportion is different and null hypothesis is , it is same.

For a two tailed test for significance level = 0.2 we have critical value  ± 1.28.

We have alpha equal to 0.2  for a two tailed test . We divided alpha with 2 to get the answer for a two tailed test. When divided by two it gives 0.1 and the corresponding value is ± 1.28

The test statistic is

p ± z (base alpha by 2) \sqrt{\frac{pq}{n} }

Where p = 0.8 , q = 1-p= 1-0.8= 0.2

n= 200

Putting the values

0.8 ± 1.28 \sqrt{\frac{0.8*0.2}{200} }

0.8 ± 0.03620

0.8362, 0.7638

As the calculated value of z lies within the critical region  we reject the null hypothesis.

8 0
3 years ago
A line that includes the point (7,0) has a slope of 1. What is its equation in slope-intercept form?
lidiya [134]

Answer:

Step-by-step explanation:

i think that the equations might be y = x - 7

8 0
3 years ago
Which situation represents a
Colt1911 [192]

Answer:

C, 200 miles in 4 hours

Step-by-step explanation:

You divide 200 by 4, then you get 50. 50 miles in 1 hour!

5 0
3 years ago
Read 2 more answers
A. 70-74<br> B. 60-64<br> C.75-79<br> D.65-69<br> E.55-59<br><br> please answer will give brainliest
Leona [35]

Answer:

C

Step-by-step explanation:

7 0
3 years ago
Find x. Assume that segments that appear tangent are tangent.
kipiarov [429]
Assuming that CB is tangent, this is just a right triangle with a hypotenuse of 20 and a side of 12 so by the Pythagorean Theorem:

20^2=12^2+x^2

400=144+x^2

x^2=400-144

x^2=256

x=16
6 0
3 years ago
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