3 years ago

I might give brainliestCan you write down eight eights so that they add up to one thousand?

Mathematics

2 answers:

Murrr4er [49]3 years ago

7 0

Can you write down eight eights so that they add up to one thousand? Answer: 888 + 88 + 8 + 8 + 8 = 1000.

Ilia_Sergeevich [38]3 years ago

6 0

Answer:

88888888

Step-by-step explanation:

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Jane wants to estimate the proportion of students on her campus who eat cauliflower. after surveying 39 students, she finds 4 w

stellarik [79]

Let $x$ be the number of students who eat cauliflower.

Therefore, $x=4$ .

Let $n$ be the total number of students surveyed.

Therefore, $n=39$

Thus, $\hat p$ $=\frac{4}{39} =0.10256$

Now, for 90% confidence level, from the table we know that $Z=1.645$ .

The formula for the interval range of proportion of students is :

$p= \hat p\pm Z\sqrt{\frac{\hat p(1-\hat p)}{n}}$

Plugging in the values we get:

$p=0.10256\pm 1.645\sqrt{\frac{0.10256(1-0.10256)}{39}}=0.10256\pm 0.04858=0.15114, 0.05398$

Thus, Jane is 90% confident that the population proportion p, for students who eat cauliflower in her campus is between 5.398% and 15.114% (after converting the answer we got to percentage).

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3 years ago

Brent divided 31/2 by 7 what number did he get

lorasvet [3.4K]

31/2 ÷ 7
= 31/2 ÷ 7/1
= 31/2 × 1/7
= 31/14
= 2/3/14

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