I need help with this pleas

Mathematics

1 answer:

Mekhanik [1.2K]2 years ago

4 0

100 divided by 3. i know this because you are spitting the amount to each person

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kenny has 9 more comic books than bobbie. together they have 95 comic books. define a variable. then write an equation that coul

Hoochie [10]

Number of comic books Bobbie has - b

95 = (9 + b) + b

Since 95 is the total number of comic books both boys have, it is equal to both boys' books added together. However, since we don't know how many books Kenny has, and only that he has 9 more than Bobbie, we can define that as (9 + b), or nine more than b. Then, we add b again, because (9 + b) is the number of books Kenny has, and if we add that to the number of books Bobbie has, it will equal the total of 95 comic books.

3 0

2 years ago

I could use any help as soon as possible in need this due tomorrow for exams

EastWind [94]

The answer woukd be 23

6 0

2 years ago

Read 2 more answers

What is the volume??

goldenfox [79]

Answer:

That would be 84.

Step-by-step explanation:

Here it is

4 0

2 years ago

Assume that a sample is used to estimate a population proportion p. Find the 98% confidence interval for a

Vikki [24]

Answer:

$0.81 - 2.326 \sqrt{\frac{0.81(1-0.81)}{131}}=0.730$

$0.81 + 2.326 \sqrt{\frac{0.81(1-0.81)}{131}}=0.890$

And the confidence interval would be:

$0.730 \leq \p \leq 0.890$

Step-by-step explanation:

Information given:

$n=131$ represent the sample size

$\hat p=0.81$ represent the estimated proportion

The confidence interval would be given by this formula

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

For the 98% confidence interval the value of $\alpha=1-0.98=0.02$ and $\alpha/2=0.01$ , with that value we can find the quantile required for the interval in the normal standard distribution.