Write an equation that could be used to solve the given problem: if twice a number is increased by 15 , the result is the same a
2 answers:
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Answer:
No, Kareem is incorrect.
Step-by-step explanation:
Kareem says that the ratio of because 4 + 8 = 12 and 1 + 8 = 9
But the correct way to rewrite the ratio 4 : 1 is,
Which becomes as,
Therefore, Kareem is not correct.
Correct ratio equivalent to 4 : 1 is 12 : 3.
C =
= 6.7082
Round 6.7082
6.71
6.71 is your answer
Round 6.7082
6.71
6.71 is your answer
Answer:
The decision made by the researcher based on this information is to reject the null hypothesis.
Step-by-step explanation:
Two-tailed hypothesis test:
Critical value:
Test statistic: z
If , we do not reject the null hypothesis.
If , we reject the null hypothesis.
In this question:
Since , we reject the null hypothesis.
The decision made by the researcher based on this information is to reject the null hypothesis.