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masha68 [24]
3 years ago
13

Last year a computer was $350. The computer company raise prices this year and the price has increased by 5%. What was the price

of a computer this year?
Mathematics
1 answer:
Juliette [100K]3 years ago
6 0

Answer:

367.5

Step-by-step explanation:

5% of 350 is 17.5

$350+$17.5=367.5

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A study was designed to compare the attitudes of two groups of nursing students towards computers. Group 1 had previously taken
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Answer:

Kindly check explanation

Step-by-step explanation:

Given the following :

Group 1:

μ1 = 59.7

s1 = 2.8

n1 = sample size = 12

Group 2:

μ2 = 64.7

s2 = 8.3

n2 = sample size = 15

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A.)

Null and alternative hypothesis

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Alternative : μ1 < μ2

B.)

USing the t test

Test statistic :

t = (m1 - m2) / S(√1/n1 + 1/n2)

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