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pentagon [3]
4 years ago
7

A researcher at a major hospital wishes to estimate the proportion of the adult population of the United States that has high bl

ood pressure. How large must the sample be in order to be 90% confident that the sample proportion will not differ from the true proportion by more than 5%?
Mathematics
1 answer:
forsale [732]4 years ago
7 0

Answer:

56788988999

Step-by-step explanation:

rthhjkkkklllnbbv b

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How do I solve this question?
nirvana33 [79]
First subtract 11b from both sides and then 11b would cancel out and the 14 would be 3b and then you subtract 3 from both sides and so it would be 3 so you divide 3b by 3 so it would be 3 greater than or equal to b.
8 0
3 years ago
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Can someone please help me with this? My mind is blank after doing a lot of questions.
Annette [7]

Answer:

6 Hours

Step-by-step explanation:

No.of leaflets---no.of people---work hours

1000 ————. 4. - — — — — — — 5

1500 — — — —5 — — — — — ,— —?

If work increase, no.of people needed more

So, the required ratio is 1500/1000

If work men increase, no of hours decrease

So, the required ratio is 4/5

(1500/1000)× (4/5)×5 = 6

No.of hours required to distribute 1500 leaflets by 5 people = 6 hours

3 0
2 years ago
Rate of change between (2,11) and (8,14)
SCORPION-xisa [38]

Answer:

1/2

Step-by-step explanation:

the rate of change is = the change in y/ the change in x

if the points are (2, 11) and (8, 14)  

Rate of change = (14-11) / (8-2) = 3 / 6 = 1/2

8 0
3 years ago
Is this a function? please explain if possible...​
zlopas [31]

It is a function. Every x value is different.

3 0
3 years ago
What is the answer to 7+1+10t
xz_007 [3.2K]

Answer:

18

Step-by-step explanation:

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