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Georgia [21]
3 years ago
15

Pls help and show workings

Mathematics
1 answer:
PIT_PIT [208]3 years ago
4 0

Answer:

D

Step-by-step explanation:

rule: sum of two angles in triangle, should always be higher then the other angle: 13+9=22,

it should be bellow 22. it can not be D

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3 years ago
A study of 25 graduates of 4-year public colleges revealed the mean amount owed by a student in student loans was $55,051. The s
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Answer:

Step 1

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The t critical value for the 90% confidence interval is 1.711.

A 90% confidence interval for the population mean is .

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The data represent amount.

A 90% confidence interval for the population mean is,

First, compute t-critical value then find confidence interval.

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The t critical value for the 90% confidence interval is 1.711.

A 90% confidence interval for the population mean is .

It is reasonable to conclude that mean of the population is actually $55000 due to a 90% confidence intrerval for population mean is between $52461.23 and $57640.77 does include $55000.

5 0
2 years ago
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     = 2 * 167

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3 0
3 years ago
Read 2 more answers
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