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AleksandrR [38]
3 years ago
12

Pls help mark u brainlist

Mathematics
1 answer:
Molodets [167]3 years ago
8 0
Do what that person with the long explanation says it’s most likely right!!
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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.

7 0
4 years ago
Rounding in the calculation of monthly interest rates is discouraged. Such rounding can lead to answers different from those pre
Stella [2.4K]

Answer:

111.35

Step-by-step explanation:

effective rate: .085/12= .00708333333333

3000=x\frac{1-(1+.00708333333333)^{-30}}{.00708333333333}\\x=111.35

5 0
3 years ago
If x is any real number, then x2 ≥ 1.
babymother [125]
The answer is D x=1.5
3 0
3 years ago
Read 2 more answers
Which is independent and which is dependent​
pav-90 [236]

Answer:

Step-by-step explanation:

the question does say that the amount of juice you an make, depends on the tomatoes  soo     't'  is the independent.. and 'a' the juice, is the dependent, which is the 2nd answer.  Did you really not know.. or were you just unsure?

3 0
3 years ago
Read 2 more answers
What is the slope of a line that is parallel to the line y= 3/4 x + 2?
kicyunya [14]

Answer:

Using the slope-intercept form, the slope is 34 . All lines that are parallel to y=3x4+2 y = 3 x 4 + 2 have the same slope of 34 .

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
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