Mathematics, 30.01.2020 21:40 ellenaschool
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1) the local ice cream shop is deciding whether or not to hire a new worker. the shop must pay the worker hourly and cover a daily cost for insurance. the cost to pay an hourly worker for one day is represented by the function
y= 9.25x + 15, where x is hours. what is the slope, and what does it represent. show your work.
2) the correlation coefficient for poor health and not exercising in a group of people is 0.52. analyze the following statement: based on the correlation coefficient, is this a reasonable conclusion. explain why or why not.
3) analyze the following statement:
marcus notices that he runs faster in the mornings rather than evenings. is this statement and example of correlation or causation? explain your answer!
Answers: 3
Mathematics, 21.06.2019 16:30
Arandom sample of 150 high school students were asked whether they have a job. the results are shown in the table. have a job do not have a job male 48 35 female 41 26 select a ord or phrase from the drop-down menus to correctly complete the statements describing the association.
Answers: 1
Mathematics, 21.06.2019 21:30
In a test for esp (extrasensory perception), a subject is told that cards only the experimenter can see contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is just guessing has probability 0.25 of guessing correctly on each card. a. the count of correct guesses in 20 cards has a binomial distribution. what are n and p? b. what is the mean number of correct guesses in 20 cards for subjects who are just guessing? c. what is the probability of exactly 5 correct guesses in 20 cards if a subject is just guessing?
Answers: 1
Me fast! if given good answers will mark as brainliest!
1) the local ice cream shop is...
1) the local ice cream shop is...
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