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iogann1982 [59]
3 years ago
5

11. What geometric shape is a roll of paper towels? (98)

Mathematics
1 answer:
Rus_ich [418]3 years ago
5 0

Answer:

cylinder

Step-by-step explanation:

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A Simple random sample of 100 8th graders at a large suburban middle school indicated that 84% of them are involved with some ty
Setler [38]

Answer: a) (0.755, 0.925)

Step-by-step explanation:

Let p be the population proportion of 8th graders are involved with some type of after school activity.

As per given , we have

n= 100

sample proportion: \hat{p}=0.84

Significance level : \alpha= 1-0.98=0.02

Critical z-value : z_{\alpha/2}=2.33  (using z-value table)

Then, the 98% confidence interval that estimates the proportion of them that are involved in an after school activity will be :-

\hat{p}\pm z_{\alpha/2}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

i.e. 0.84\pm (2.33)\sqrt{\dfrac{0.84(1-0.84)}{100}}

i.e. \approx0.84\pm 0.085

i.e. (0.84- 0.085,\ 0.84+ 0.085)=(0.755,\ 0.925)

Hence, the 98% confidence interval that estimates the proportion of them that are involved in an after school activity : a) (0.755, 0.925)

3 0
3 years ago
Which of the following are corresponding angles ?
ANEK [815]

The answer is - C. R & W

4 0
3 years ago
Select all equations with infinitely many solutions..
Vaselesa [24]
B. 1/2(6x-12) = 3x -6 = 3(x-2)
D. 12x -18 + 2 = -16+12x
12x -16 = -16+ 12x

B and D are the answers
Trust me

Hope this helps!

Mark me as brainliest if you can, I really appreciate it!
8 0
2 years ago
Henry can make 8 cupcakes (the y value) with one cup of flour (the x value). How many cup cakes can he make with 7 cups of flour
Yuki888 [10]

Answer:

56

Step-by-step explanation:

8 cupcakes per 1 cup of flower

56 cupcakes per 7 cups of flower

times both by 7

5 0
3 years ago
6t/9-22;t=60<br> please help me
Lelechka [254]

Answer:

if t=60, then 6(60)/9-23. (360-198)/9

=18

4 0
2 years ago
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