Mathematics, 05.02.2022 04:10, sarahc63
The ratio of female learners to male learners in a class is 3:2. If there are 30 female learners in the class, work out:
a) the number of male learners
b) the total number of learners in the class
Answers: 3
Mathematics, 21.06.2019 13:50, daytonalive7193
Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean
Answers: 2
Mathematics, 21.06.2019 14:30, eliascampos823
2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10
Answers: 2
Mathematics, 21.06.2019 21:30, isamilo520
Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.
Answers: 2
The ratio of female learners to male learners in a class is 3:2. If there are 30 female learners in...
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