Mathematics, 24.07.2019 17:20 zoieihazel
Amarket research firm conducts telephone surveys with a 41% historical response rate. a. what is the probability that in a new sample of 400 telephone numbers, at least 135 individuals will cooperate and respond to the questions? in other words, what is the probability that the sample proportion will be at least 135/400 = 0.3375?
Answers: 3
Mathematics, 21.06.2019 14:30
Select true or false to tell whether the following conditional p q is true or false. use the truth table if needed. if a week has seven days, then a year has twenty months.
Answers: 1
Mathematics, 21.06.2019 16:20
The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%
Answers: 2
Mathematics, 21.06.2019 21:30
Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50
Answers: 3
Mathematics, 21.06.2019 23:00
Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.
Answers: 3
Amarket research firm conducts telephone surveys with a 41% historical response rate. a. what is the...
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