Answer:
Step-by-step explanation:
Please answer quickly, thanks -2 + ?? = -12
1 answer:
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Answer:
112
Step-by-step explanation:
A=bh
A=14*8
A=112
Answer:
And we can use the normal standard distribution table or excel and with the complement ruler we got:
Step-by-step explanation:
We know the following info given:
represent the true mean
represent the population deviation
represent the sample size selected
Since the sample size is large enough (n>30) we can use the central limit theorem and the sample mean would have the following distribution:
And for this case we want to find this probability:
And we can use the z score formula given by:
And replacing we got:
And we can use the normal standard distribution table or excel and with the complement ruler we got: