Chapter 12: Q12. (page 801)
Graph on a coordinate grid.
Chapter 12: Q12. (page 801)
Graph on a coordinate grid.
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To ensure that all of the chocolate bars are the appropriate weight, every 50th bar on the conveyor belt in the candy factory is removed and weighed. Is the sample simple, stratified, or systematic.
Which measure of central tendency best represents the data? Justify your answer. Then find the measure.
VOTING The polling place kept a list of all the ages of the people who voted:
Identify each sample, and suggest a population from which it was selected. Then classify the type of data collection used.
Federico is trying to decide on a theme and a color scheme for his party. He sends a survey in each invitation, asking guests for their opinions.
A local cable provider asked its subscribers how many television sets they had in their homes. The results of their survey are shown in the probability distribution.
Number of televisions | probability |
1 | 0.18 |
2 | 0.36 |
3 | 0.34 |
4 | 0.08 |
0.04 |
If a household is selected at random, what is the probability that it has fewer than 4 televisions?
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