Mathematics, 12.02.2020 05:51, gabbypittman20
Shania is buying a car. She has narrowed her choice down to three cars: a sedan, a hatchback, and a wagon. She uses a spinner divided into three colored sections to decide which car to buy. She first spins the spinner 75 times to check the frequencies that it produces. Her results are shown in the table.
Car Spinner Color Times Result Occurred
sedan red 11
hatchback blue 22
wagon green 42
Which statement is true based on the results in the table?
A.
All the outcomes are equally likely because their relative frequencies are similar.
B.
All the outcomes are equally likely because the relative frequencies of landing on at least two colors are similar.
C.
All the outcomes are not equally likely because there is a variation in their relative frequencies.
D.
All the outcomes are not equally likely because the spinner color is not a valid representation of the car color.
E.
All the outcomes are not equally likely because the relative frequency of landing on red is the least.
Answers: 3
Mathematics, 21.06.2019 21:40, oprajapati
The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?
Answers: 2
Mathematics, 21.06.2019 23:00, eduardoma2902
Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction
Answers: 2
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