3 years ago

Help ASAP Ill mark brainliest PLEASE

Mathematics

1 answer:

Mama L [17]3 years ago

3 0

Answer:

the picture is blocked cant see it can you fix that

Step-by-step explanation:

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John davis, a manager of a supermarket, wants to estimate the proportion of customers who use food stamps at his store. he has n

8_murik_8 [283]

Answer:

1509

Step-by-step explanation:

We know that, formula for number of samples is,

$n= \frac{z^2 \times p \times q}{SE^2}$

When nothing is given, we take $p=0.5$ and we know that $q = 1-p=0.5$ .

SE = 0.03 (the true proportion should remain withing 3%)

Putting the values we get,

$n= \frac{(2.33)^2 \times 0.5 \times 0.5}{(0.03)^2}$

$n= \frac{5.4289 \times 0.5 \times 0.5}{0.03 \times 0.03} \approx 1509$

Therefore, the sample required to estimate the true proportion to within 3 percentage points is 1509.

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4 years ago

The graph below shows three different normal distributions. 3 normal distributions are shown. All 3 are at different points on t

Anon25 [30]

Answer:

Step-by-step explanation:

I took the test!!!!!

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3 years ago

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Expand the exppresion -7(k-3)

Lana71 [14]

Answer:

-7k+21

Step-by-step explanation:

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3 years ago

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Jake has a container in the shape of a rectangular prism.The base of the container is 30 centimeters long and 20 centimeters wid

madreJ [45]

Answer:

40 centimeters

Step-by-step explanation:

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3 years ago

What is the area of that shaded sector?

melomori [17]

Answer:

50.24

Step-by-step explanation:

1/4x3.14xr^2

r=16 because of the length

90/360= 1/4

1/4x3.14x16^2/4

=50.24

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3 years ago