Will award 90 points

the standard deviation of a population is 1.4.

what is the margin of error?

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Aline that intersects one of two parallel lines intersects the other also always sometimes never

Bobs burgers bam has a special deal of 4 hamburgers for $6. at that rate, how much should it cost to buy 3 hamburgers?

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 1.7 days. what is the probability of spending more than 2 days in recovery? (round your answer to four decimal places.)