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dybincka [34]
3 years ago
10

Mr Loretti spends $4.83 on pens and notebooks. How many of each item does he buy Expalin how you got your answer

Mathematics
1 answer:
Aloiza [94]3 years ago
6 0

Answer:

n/a

Step-by-step explanation:

to answer this question i would need to know a unit price and require more information.

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stat: sample of 780 adults in the U.S.A., it was found that 80 of those had a pinworm infestation. You want to find the 99% conf
Anettt [7]

Answer: 554

Step-by-step explanation:

If prior population proportion is known, then the formula to find the sample size is given by :-

n=p(1-p)(\dfrac{z_{\alpha/2}}{E})^2

As per given description, we have

p= 0.1

E=0.025

Critical z-value for 95% confidence : z_{\alpha/2}=1.96

Then,

n=0.1(1-0.1)(\dfrac{1.96}{0.025})^2=553.1904\approx554

Hence, the minimum sample size required = 554.

7 0
3 years ago
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iren2701 [21]
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3 years ago
What is the nth term of this sequence?
lions [1.4K]

Answer:

D, you simply just add 1.3 each time.

4 0
2 years ago
Pls help I will mark brainliest quick
azamat

Answer:

the picture is blocked

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is the value of 6(2b-4) when b=5.​
trapecia [35]
<h3><u>3</u><u>6</u> is the answer.</h3>

Step-by-step explanation:

Put value of b as given and using BODMAS rule,

6(2b - 4)

=  > 6((2 \times 5)-4)

=  > 6(10 - 4)

=  > 6 \times 6

=  > 36

Henve, value of of the given expression is 36

7 0
2 years ago
Read 2 more answers
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