Use each of the numbers 2, 3, 7 and 8 and brackets () and the signs +, - , x, ÷ to make each of the numbers from 20 to 50. You c
2 answers:
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Answer:
Null hypothesis: .
Alternative hypothesis: .
Step-by-step explanation:
In hypothesis testing, the alternative hypothesis represents the claim that is being tested. According to the claim in this question, the true (population) mean
is "incorrect," or not equal to ("
") the proposed value of
. Hence, the alternative hypothesis for this question would be
.
On the other hand, the null hypothesis represents what happens when that claim is disproved; it should always use the equal sign ("".) In this question, that's the same as saying that the (population) mean
is indeed equal to
. Hence, the null hypothesis for this question would be:
.