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3 years ago

Matthew threw 55 pitches in a baseball game. Of those pitches, 4/5 were strikes.

2 answers:

6 0

Hi there! The answer is 44.

To find our answer we have to multiply 55 by 4/5. Then we get the following:

$55 \times \frac{4}{5} = \frac{55}{1} \times \frac{4}{5} = \frac{220}{5} = 44$

Therefore, 44 of Matthew's pitches were strikes.

Y_Kistochka [10]3 years ago

5 0

55/5 =11
11x4=44
The answer is 44

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The sample mean of sample 2 is:

$\bar{x}=\frac{2+2+6+5+7}{5}= \frac{22}{5}=4.4$

The sample mean of sample 3 is:

$\bar{x}=\frac{4+6+3+4+1}{5}= \frac{18}{5}=3.6$

The sample mean of sample 4 is:

$\bar{x}=\frac{5+2+4+3+6}{5}= \frac{20}{5}=4$

The minimum sample mean of the four sample means is 3.6 and maximum sample mean of the four sample means is 4.4.

Therefore, using his four samples, between 3.6 and 4.4 will Ardem's actual population mean lie.

Hence the option 3.6 and 4.4 is correct

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KATRIN_1 [288]

Answer: Follow the Steps Below.

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