If this is for E2020 the answer is
D)<span>No, his value of </span><span> should be positive because an even exponent indicates a positive value.
thats why it was wrong</span>
Answer:
2 3/4 or 2.75
Step-by-step explanation:
Cross multiply
1 ×
16 44
44 × 1 = 44
44÷ 16 = 2 12/16
Simplify 12/16
12÷4= 3
16÷4= 4
2 3/4
Considering the situation described, the null hypothesis is given as follows:
.
<h3>What are the hypothesis tested?</h3>
At the null hypothesis, it is tested if the <u>mean is the same as in the Census</u>, of $64,000, hence:
.
At the alternative hypothesis, it is tested if the mean is different from the Census, hence:
.
More can be learned about hypothesis tests at brainly.com/question/13873630
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Answer:
gas
Step-by-step explanation: