Armando's fish tank is 3 yards long by 22 inches wide by 4 feet tall. What is the volume of Armando's tank in cubic inches?
2 answers:
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Answer:
y = x - 5
Step-by-step explanation:
Answer: z= -1.636
Step-by-step explanation:
When population standard deviation is known, then the test statistic is given by :-
, where = sample mean,
= population mean, n=sample size ,
= standard deviation
As per given,
Hence, the e test statistic to see whether the candy bars are smaller than they are supposed to be : z= -1.636