Mathematics, 02.03.2021 04:20 bri9263
A sample of 80 high school senlors, 45% of which are female, were surveyed as to whether or not they are employed outside of school. 25% of the boys surveyed sald they are not employed. How many boys are employed?
Answers: 3
Mathematics, 22.06.2019 02:00
Lucy is a dress maker. she sews \dfrac47 7 4 ? of a dress in \dfrac34 4 3 ? hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable.
Answers: 2
Mathematics, 22.06.2019 05:10
Select the correct answer from each drop down menu a marketing company conducted a survey to assess the audience response to different aspects of a new advertisement. the company randomly chose 100 people to watch several advertisements of different lengths. the respondents were asked to note which ads they disliked. the table shows the survey results duration of ad number of viewers (seconds) who disliked ad 60 relationship between the duration of advertisements and the correlation coeficient for this data set is close to based on this information, we can conclude that there is a the audience dislong them reset next
Answers: 1
Mathematics, 22.06.2019 06:50
Nielsen media research wants to estimate the mean amount of time (in minutes) that full- time college students spend watching television each weekday. find the sample size necessary to estimate the mean with a 15-minute margin of error. assume that a 95% confidence level is desired. also assume that the population standard deviation is known to be 112.2 minutes.
Answers: 2
A sample of 80 high school senlors, 45% of which are female, were surveyed as to whether or not they...
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