Mathematics, 20.09.2019 01:50, jaksmmwlqlzm
Alice earned some money over the summer. she charged $11 per hour to baby-sit and $7.50 per hour to mow lawns. she baby-sat for 25 hours and mowed lawns for 19 hours.
how much money did alice make?
Answers: 2
Mathematics, 21.06.2019 20:30, bryce59
Suppose you just purchased a digital music player and have put 8 tracks on it. after listening to them you decide that you like 4 of the songs. with the random feature on your player, each of the 8 songs is played once in random order. find the probability that among the first two songs played (a) you like both of them. would this be unusual? (b) you like neither of them. (c) you like exactly one of them. (d) redo () if a song can be replayed before all 8 songs are played.
Answers: 2
Mathematics, 22.06.2019 01:40, Conner5459
Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a diamond or heart. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability of randomly selecting a diamond or heart or club. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability of randomly selecting queen or club. (type an integer or a decimal rounded to three decimal places as needed.)
Answers: 2
Mathematics, 22.06.2019 02:00, lexhoangg
Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.
Answers: 3
Alice earned some money over the summer. she charged $11 per hour to baby-sit and $7.50 per hour to...
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