Mathematics, 23.04.2021 19:40 csorensen
Sylvia asked a random sample of students whether they prefer eating vegetables or fruits as a snack, and whether they prefer to bicycle or to walk. The results are shown in the table. Snack and Activity Preferences Bicycle Walk Total Vegetables 11 17 28 Fruits 16 10 26 Total 27 27 54 Approximately what percentage of the students surveyed prefer to eat vegetables and prefer to bicycle? A. 11% B. 20% O C. 30% OD. 41% O E. 51%
Answers: 1
Mathematics, 21.06.2019 20:30
Max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 2
Mathematics, 21.06.2019 22:00
Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.
Answers: 2
Sylvia asked a random sample of students whether they prefer eating vegetables or fruits as a snack,...
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