Mathematics, 07.04.2021 16:00 oceanbrezze85
You know that about 25% of customers will call back within 48 hours. Of those customers who call back within 48 hours, about 20% of them will call back within 72 hours. Of the 120 people you spoke with today, how many do you expect to call two more times in the next five days
Answers: 2
Mathematics, 20.06.2019 18:04
Astore experienced a 14.2% fall in takings in february, compared to the previous month. their takings in february were ? 742,513.20 how much did they take in january?
Answers: 1
Mathematics, 21.06.2019 18:30
Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists
Answers: 2
Mathematics, 21.06.2019 21:30
In a test for esp (extrasensory perception), a subject is told that cards only the experimenter can see contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is just guessing has probability 0.25 of guessing correctly on each card. a. the count of correct guesses in 20 cards has a binomial distribution. what are n and p? b. what is the mean number of correct guesses in 20 cards for subjects who are just guessing? c. what is the probability of exactly 5 correct guesses in 20 cards if a subject is just guessing?
Answers: 1
You know that about 25% of customers will call back within 48 hours. Of those customers who call bac...
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