For a week, a clothing company tracks the amounts spent by its customers, with the results shown to the right. a) What is the probability that a randomly chosen customer spent $120 or more? b) What is the probability that a randomly chosen customer did not spend less than $80? c) What is the probability that a randomly chosen customer spent between $40 and $159.99? Amount spent Frequency $0 - $39.99 36 $40 – $79.99 64 $80 – $119.99 93 $120 – $159.99 95 $160 – $199.99 43 $200 or more 11 a) What formula should be used to find the probability that a randomly chosen customer spent $120 or more? O A. P($120 or more) = 1- P($120 - $159.99) O B. P($120 or more) = P($120 – $159.99) OC. P($120 or more) = P($120 – $159.99) + P(S160 – $199.99) – P($200 or more) O D. P($120 or more) = P($120 – $159.99) + P($160 – $199.99) + P($200 or more) The probability that a randomly chosen customer spent $120 or more is (Simplify your answer.)
For a week, a clothing company tracks the amounts spent by its customers, with the results shown to the right. a) What is the probability that a randomly chosen customer spent $120 or more? b) What is the probability that a randomly chosen customer did not spend less than $80? c) What is the probability that a randomly chosen customer spent between $40 and $159.99? Amount spent Frequency $0 - $39.99 36 $40 – $79.99 64 $80 – $119.99 93 $120 – $159.99 95 $160 – $199.99 43 $200 or more 11 a) What formula should be used to find the probability that a randomly chosen customer spent $120 or more? O A. P($120 or more) = 1- P($120 - $159.99) O B. P($120 or more) = P($120 – $159.99) OC. P($120 or more) = P($120 – $159.99) + P(S160 – $199.99) – P($200 or more) O D. P($120 or more) = P($120 – $159.99) + P($160 – $199.99) + P($200 or more) The probability that a randomly chosen customer spent $120 or more is (Simplify your answer.)
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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