B. X-0.75x = 9.00 solve with explanation?
1 answer:
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Answer:
a. 1.059
Step-by-step explanation:
Test statistics is used in hypothesis testing to find the conclusion. Test statistics are T-values which are used in testing a hypothesis and deciding whether to accept or reject the null hypothesis.
Test statistics can be calculated with the following formula:
Z = x - u / s /
So, he usually does 55 only, but this one day he did 77, 77 - 55 is 22, so he did 22 more this one day.
if we take 55 to be the 100%, what is 22 off of it in percentage anyway?
if we take 55 to be the 100%, what is 22 off of it in percentage anyway?