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3 years ago

The handy family drinks 20 pints of milk each week.How many gallons of milk do they drink each week?

1 answer:

8 0

There are 8 pints in a gallon so if they drink 20 pints in a week then you would divide 20 by 8 so the answer would be 2 1/2 gallons

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A national survey interviewed 3800 people ages 18 and older nationwide by telephone. One question asked was the amount of gasoli

NeTakaya

Answer:

For this case a parameter represent the population data and for this case the parameter would be the true mean $\mu$ who represent the amount of gasoline they used in the previous week

$\bar X= \frac{\sum_{i=1}^n X_i}{3800} =11.75$

And the sample mean is an unbiased estimator of the true mean.

Step-by-step explanation:

For this case a parameter represent the population data and for this case the parameter would be the true mean $\mu$ who represent the amount of gasoline they used in the previous week

And in order to estimate the parameter of interest we use a survey of n =3800 and the sample mean who represent an statistic is given by:

$\bar X = \frac{\sum_{i=1}^n X_i}{n}$

And we got:

$\bar X= \frac{\sum_{i=1}^n X_i}{3800} =11.75$

And the sample mean is an unbiased estimator of the true mean.

4 0

3 years ago

Convert $98.60 to pounds

MariettaO [177]

Answer:

71.18 pounds

Step-by-step explanation: HOPE THIS HELPS

7 0

3 years ago

How to work out 270 ÷ 30

tresset_1 [31]

Answer:

270 ÷ 30 = 9

Step-by-step explanation:

9x3=27

90x3 = 270

27 ÷ 3 = 9

270 ÷ 30 = 9

90 x 3 = 270

30 x 9 = 270

8 0

4 years ago

Find two numbers whose sum is -7 and whose difference is -1. Your answer is:

Katena32 [7]

-3 & -4;

-3 + (-4) = 7

-3-(-4) = -3+4 = 1

3 0

4 years ago

776 kilometers in 56 hours = 679 kilometers in

storchak [24]

The answer is 49 hours

4 0

3 years ago