Answers: 2
Mathematics, 21.06.2019 13:30
David bought a poster for an art project. the poster is 2.7 feet wide and 3.9 feet tall. what is the area of the poster?
Answers: 2
Mathematics, 21.06.2019 15:20
Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?
Answers: 3
Mathematics, 21.06.2019 17:10
The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?
Answers: 1
Mathematics, 21.06.2019 21:40
The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?
Answers: 2
Solve the proportion. 3.5/18 z/36...
History, 20.09.2019 14:10
Mathematics, 20.09.2019 14:10
Chemistry, 20.09.2019 14:10
Health, 20.09.2019 14:10
Mathematics, 20.09.2019 14:10
Mathematics, 20.09.2019 14:10
Mathematics, 20.09.2019 14:10
Biology, 20.09.2019 14:10
Health, 20.09.2019 14:10
Mathematics, 20.09.2019 14:10
Mathematics, 20.09.2019 14:10
English, 20.09.2019 14:10