Mathematics, 05.06.2020 06:59, tystevens9943
A study found that 25% of car owners in Fiji had their cars washed professionally rather than do it themselves. If 18 carowners are randomly selected, find the probability that atmost two people have their cars washed professionally
Answers: 1
Mathematics, 21.06.2019 12:30, leximae7720
Suppose there are 10 five and six-year-old attending a birthday party. when a 30 year old mother walks into the room with an infant in her arms, what happens to the mean age in the room? what happens to the standard deviation of ages in the room? a. the mean and standard deviation of both change. b. the meaning will change, but the standard deviation will stay approximately the same. c. i mean will stay approximately the same, but the standard deviation will change. d. the mean and standard deviation will both stay approximately the same.
Answers: 1
Mathematics, 21.06.2019 15:00, gghkooo1987
This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit
Answers: 3
Mathematics, 21.06.2019 18:40, miguel3maroghi
Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.
Answers: 3
A study found that 25% of car owners in Fiji had their cars washed professionally rather than do it...
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