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rosijanka [135]
3 years ago
8

To go to school each day, Myra walks 20 yards due south to the bank then 48 yards east. Which measurement is closest to the shor

test distance, in yards, from Myra's house to the school?
Mathematics
2 answers:
mihalych1998 [28]3 years ago
5 0

Answer:

68 yard

Step-by-step explanation:

just add the two numbers.              

dedylja [7]3 years ago
3 0

Answer:

52

Step-by-step explanation:

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The base of a expoential function can be a negative number true or false
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A supervisor records the repair cost for 14 randomly selected refrigerators. A sample mean of $79.20 and standard deviation of $
Nitella [24]

Answer:

( $74.623, $83.777)

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Step-by-step explanation:

Confidence interval can be defined as a range of values so defined that there is a specified probability that the value of a parameter lies within it.

The confidence interval of a statistical data can be written as.

x+/-zr/√n

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Confidence interval = 90%

Using the z table;

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Substituting the values we have;

$79.20+/-1.645($10.42/√14)

$79.20+/-1.645($2.782189528308)

$79.20+/-$4.576701774067

$79.20+/-$4.577

( $74.623, $83.777)

The 90% confidence interval is = ( $74.623, $83.777)

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