subject
Mathematics, 11.06.2021 02:10 mbatton879

A restaurant chain wants to create dishes that will attract new clientele. They are interested in adding some organic options to their menu. A survey revealed that 22% of people over 50 and 32% of people under 50 prefer organic foods. The restaurant wants to poll their clientele. 60 clients were randomly selected: 20 older adults and 40 younger adults. Let X be the number of older adults (out of 20) who prefer organic. Let Y be the number of younger adults (out of 40) who prefer organic. Let Z be the total number in the sample who prefer organic (out of 60).Which of the following is true about the random variables X, Y, and Z?

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 15:20
Can (3,5 and square root 34) be sides on a right triangle?
Answers: 1
question
Mathematics, 21.06.2019 16:30
Yoku is putting on sunscreen. he uses 2\text{ ml}2 ml to cover 50\text{ cm}^250 cm 2 of his skin. he wants to know how many milliliters of sunscreen (c)(c) he needs to cover 325\text{ cm}^2325 cm 2 of his skin. how many milliliters of sunscreen does yoku need to cover 325 \text{ cm}^2325 cm 2 of his skin?
Answers: 3
question
Mathematics, 21.06.2019 16:30
What is true about the dilation? it is a reduction with a scale factor between 0 and 1. it is a reduction with a scale factor greater than 1. it is an enlargement with a scale factor between 0 and 1. it is an enlargement with a scale factor greater than 1.
Answers: 2
question
Mathematics, 21.06.2019 19:30
Cor d? ? me ? 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 maxโ€™s data must be true? a) the median of maxโ€™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: 1
You know the right answer?
A restaurant chain wants to create dishes that will attract new clientele. They are interested in ad...
Questions
question
Chemistry, 22.05.2020 06:02
Questions on the website: 13722361