Mathematics: Marky goes to the store and buys 5 cans of soup for $14. How many cans of soup can Marky buy with $30? EXPLAIN HOW TO SOLVE

Step-by-step explanation:The confidence interval for population proportion is given by :-Given : Sample size : The proportion of people selected consumers who had opportunities to send in a rebate claim form after purchasing a product said they never did so =Significance level : Critical value : Now, the 95% confidence Interval for the true proportion of such consumers who never apply for a rebate will be :-Hence, a confidence Interval for the true proportion of such consumers who never apply for...

Marky goes to the store and buys 5 cans of soup

Ответ:

SPDrac0

05.02.2022

Mathematics

$30=10.7

Step-by-step explanation:

all i can say is that i used my calculator and its prob correct

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Ответ:

binu

20.03.2023

Mathematics

=(0.2232,0.2768)

Step-by-step explanation:

The confidence interval for population proportion is given by :-

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

Given : Sample size : n=1000

The proportion of people selected consumers who had opportunities to send in a rebate claim form after purchasing a product said they never did so = $\dfrac{250}{1000}=0.25$

Significance level : 1-0.95=0.05

Critical value : $z_{\alpha/2}=1.96$

Now, the 95% confidence Interval for the true proportion of such consumers who never apply for a rebate will be :-

$0.25\ \pm (1.96)\sqrt{\dfrac{0.25(1-0.25)}{1000}}\\\\\approx0.25\pm0.0268\\\\=(0.2232,\ 0.2768)$

Hence, a confidence Interval for the true proportion of such consumers who never apply for a rebate .

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Marky goes to the store and buys 5 cans of soup for $14. How many cans of soup can Marky buy with $30? EXPLAIN HOW TO SOLVE

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