Adam Sucrose is a market trader and counts the number of customers he sells to every day. The daily customer count has a mean amount of 700. The standard deviation is 60. (a) What is the probability that any day selected would have a customer count: (i) between 670 and 760? (ii) is 761 or above? (b) 95% of daily customer counts around the mean are between what two amounts?
Adam Sucrose is a market trader and counts the number of customers he sells to every day. The daily customer count has a mean amount of 700. The standard deviation is 60. (a) What is the probability that any day selected would have a customer count: (i) between 670 and 760? (ii) is 761 or above? (b) 95% of daily customer counts around the mean are between what two amounts?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Transcribed Image Text:Adam Sucrose is a market trader and counts the number of customers he sells to
every day. The daily customer count has a mean amount of 700. The standard
deviation is 60.
(a) What is the probability that any day selected would have a customer count:
(i) between 670 and 760?
(ii) is 761 or above?
(b) 95% of daily customer counts around the mean are between what two amounts?
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