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RESUBMITTED WITH NEW DEADLINE "The mean annual cost for automobile insurance was $939 for adult drivers over the age of 40.
RESUBMITTED WITH NEW DEADLINE"The mean annual cost for automobile insurance was $939 for adult drivers over the age of 40. Assume that the standard deviation was $245 and that a random sample of 100 drivers over the age of 40 was selected.A) What is the probability that the sample mean annual insurance cost was more than $1005?B) What is the probability that the sample mean annual insurance cost was between $885 and $915? C) 97% of the adult drivers over 40 pay less than how much for their annual car insurance?D) What is the probability that the sample mean annual insurance cost was less than $950?"
