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____ [38]
3 years ago
5

Weights of women in one age group are normally distributed with a standard deviation σ of 18 lb. A researcher wishes to estimate

the mean weight of all women in this age group. Find how large a sample must be drawn in order to be 90 percent confident that the sample mean will not differ from the population mean by more than 2.0 lb.
Mathematics
1 answer:
sergeinik [125]3 years ago
6 0
Could you be clearer
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Whats the circumference of a 18 in pizza to the nearest hundreth
LUCKY_DIMON [66]

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4 0
3 years ago
6) Solve for x. 2/3 (x + 7) = 10 <br><br> A)22 <br><br> B)8 <br><br> C)- 1 /3 <br><br> D)41/ 3
Amiraneli [1.4K]

For this case we must find the value of the variable "x" of the following equation:

\frac {2} {3} (x + 7) = 10

We multiply by 3 on both sides of the equation:

2 (x + 7) = 30

We divide between 2 on both sides of the equation:

(x + 7) = 15\\x + 7 = 15

We subtract 7 on both sides of the equation:

x = 8

Answer:

Option B

7 0
2 years ago
Solve Please. No Links. Links = Report.
AfilCa [17]

Answer:

Step-by-step explanation:

The easiest way to start is to do this problem is to start changing the 3/4 cup to a decimal

3/4 = 0.75

Now divide that into 11. What you are interested in is the remainder.

11/0.75 = 14.66667

He can make 14 whole pizzas.

He has 0.66667 of a cup left over which is less than 3/4 (or 0.75) so he does not have enough for another pizza.

So the answer is 0.66667 which is 2/3 of a cup is left over.

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2 years ago
How many times does 10 go into 100,000,000,000,000,000?
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100,000,000. this is how many times 1<span>0 goes into 100,000,000,000,000,000</span>
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2 years ago
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145-13-9-5 that what your looking for
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1 year ago
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