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vesna_86 [32]
3 years ago
15

How many solutions does the equation have?

Mathematics
1 answer:
viva [34]3 years ago
5 0
The answer is B. 1 because it only has the answer of d=-55
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How do you do this math 18-0.4<br> in long subtraction
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The inspection division of the Lee County Weights and Measures Department is interested in estimating the actual amount of soft
cluponka [151]

Answer:

The 98% confidence interval estimate of the true average amount of soft drink in each bottle is between 2.97 liters and 3.01 liters.

Step-by-step explanation:

We have the standard deviation for the sample, so we use the t-distribution to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 64 - 1 = 63

98% confidence interval

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The margin of error is:

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In which s is the standard deviation of the sample and n is the size of the sample.

The lower end of the interval is the sample mean subtracted by M. So it is 2.99 - 0.02 = 2.97 liters

The upper end of the interval is the sample mean added to M. So it is 2.99 + 0.02 = 3.01 liters

The 98% confidence interval estimate of the true average amount of soft drink in each bottle is between 2.97 liters and 3.01 liters.

7 0
2 years ago
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Answer:the frist on

Step-by-step explanation:

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Step-by-step explanation:

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8b +3b = -6-8

11b = -14

b = -14/11

8 0
3 years ago
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