Question: A. PROBABILITY THAT THE MEAN IN THE SAMPLE IS AT LEAST 87 - what is the value of z? - what is the case number

A. PROBABILITY THAT THE MEAN IN THE SAMPLE IS AT LEAST 87 - what is the value of z? - what is the case number (#)? - what is the area or probability of that sample mean that is at least 87? - what is the conclusion? B. PROBABILITY THAT THE MEAN IN THE SAMPLE IS LESS THAN 80 - what is the value of z? - what is the case number (#)? - what is the area or probability of that sample mean that less than 80? - what is the conclusion

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