Betul records the number of phone calls she receives over a period of consecutive days
Chapter 22, Problem 3(choose chapter or problem)
Betul records the number of phone calls she receives over a period of consecutive days. a For how many days did the survey last? b Estimate Betuls chance of receiving: i no phone calls in a day ii 5 or more phone calls in a day iii less than 3 phone calls in a day
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