Mathematics, 25.02.2021 22:50 jocelynmarquillo1
Assume that when adults with smartphones are randomly selected, 49% use them in meetings or classes. If 9 adult smartphone users are randomly selected, find the probability that at least 2 of them use their smartphones in meetings or classes.
Answers: 1
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Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500
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Heather is a cashier. she can ring up 1212 customers in 99 minutes. at this rate, how many minutes does it take her to ring up 44 customers?
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Assume that when adults with smartphones are randomly selected, 49% use them in meetings or classe...
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