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LUCKY_DIMON [66]
3 years ago
6

Willing to give brainliest to the best answer! Please show your work! Need help with these 3 problems ASAP!

Mathematics
1 answer:
vampirchik [111]3 years ago
4 0

Answer:

5:05

6

10

Step-by-step explanation:

3:30 + 1 hour = 4:30

4:30 + 35 mins = 5:05 pm

5 days per 1 gallon, 30 days for :

30/5 = 6

500/50 = 10

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Answer:

Kindly check explanation

Step-by-step explanation:

Given the following :

Group 1:

μ1 = 59.7

s1 = 2.8

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Group 2:

μ2 = 64.7

s2 = 8.3

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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)

S = √(((n1 - 1)s²1 + (n2 - 1)s²2) / (n1 + n2 - 2))

S = √(((12 - 1)2.8^2 + (15 - 1)8.3^2) / (12 + 15 - 2))

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tstat = −1.991384

Decision rule :

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