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2 years ago

Round 33.091 to the nearest whole number

Mathematics

2 answers:

Anettt [7]2 years ago

8 0

Answer:

Step-by-step explanation:

Rounding to the nearest whole number means to the ones place (the first number to the left of the decimal)

33.091

We look to the number to the right of the decimal

5 or greater round up

Since it is zero, leave the ones place alone

33.091 rounds to 33

Rashid [163]2 years ago

4 0

Answer:

Step-by-step explanation:

Step 1: Round to the nearest whole number

If the tenths place, or the number right after the decimal point, is above 5. You add one to the ones place and set the tens place to 0. If the tenths place is below 5, you just set it to 0.

33.091

Answer: 33

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At the alternative hypothesis, it is tested if the mean lifetime is greater than 220,000 miles, that is:

$H_1: \mu > 220000$ .

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The parameters are:

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For this problem:

$\overline{x} = 226450, \mu = 220000, s = 11500, n = 23$

Then, the value of the test statistic is:

$t = \frac{\overline{x} - \mu}{\frac{s}{\sqrt{n}}}$

$t = \frac{226450 - 220000}{\frac{11500}{\sqrt{23}}}$

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We have a right-tailed test(test if the mean is greater than a value), with t = 2.69 and 23 - 1 = 22 df.

Using a t-distribution calculator, the p-value of the test is of 0.007.

A similar problem is given at brainly.com/question/13873630

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