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noname [10]
3 years ago
5

A chef had 7 potatoes how many bowls of mashed potatoes could he make if each bowl used one-fifth of a potato

Mathematics
1 answer:
12345 [234]3 years ago
4 0

Answer:

35 bowls of mashed potatoes.

Step-by-step explanation:

To make a bowl of mashed potatoes, the chef uses one-fifth of a potato.

To use up one potato, he will make 5 bowls of mashed potatoes from it:

1 / (1/5) = 5 bowls of mashed potatoes.

With the 7 potatoes he has, he can make 7 x 5 bowls = 35 bowls of mashed potatoes.

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f(x) = /x/

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4 years ago
In the 1980’s, a clinical trial was conducted to determine if taking an aspirin daily reduced the incidence of heart attacks. Of
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There is enough evidence to conclude that taking aspirin cannot  reduces the chance of cancer.

Given sample size of patients take aspirin 11037, sample size of patients who have assigned placebo group be 11034. 104 doctors who take aspirin had a heart attack, 189 doctors had placebo had heart attacks.

First we have to form hypothesis.

H_{0} :p{1} -p_{2} =0

H_{1}:p_{1} -p_{2} < 0

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p_{2}=189/11034

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z=(p -f)/S (In which f=0 is the value tested at the null hypothesis)

=(-0.0077-0)/0.00305

=-2.52

p value will be 0.005.

p value of 0.05 significance level.

z=1.96.

1.96>0.005

So we will reject the null hypothesis which means it cannot reduce the whole chance of becomming a heart attack.

Hence there is enough evidence to conclude that taking aspirin cannot  reduces the chance of cancer.

Learn more about t test at brainly.com/question/6589776

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