Mathematics, 06.06.2020 04:02 alisonlebron15
9) In a random sample of 500 people aged 20-24, 22% were smokers. In a random sample of
450 people aged 25-29, 14% were smokers. Test the claim that the proportion of smokers in
the two age groups is the same. Use a significance level of 0.01.
Answers: 3
Mathematics, 21.06.2019 18:50
Which of the following values cannot be probabilities? 0.08, 5 divided by 3, startroot 2 endroot, negative 0.59, 1, 0, 1.44, 3 divided by 5 select all the values that cannot be probabilities. a. five thirds b. 1.44 c. 1 d. startroot 2 endroot e. three fifths f. 0.08 g. 0 h. negative 0.59
Answers: 2
Mathematics, 21.06.2019 19:30
Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.
Answers: 1
Mathematics, 21.06.2019 20:30
Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?
Answers: 1
Mathematics, 21.06.2019 22:00
Alex took his brother to a birthday party. the party was scheduled to last for 1 and 3/4 hours but they stayed for 4/5 of an hour more. how long did she stay at the party?
Answers: 2
9) In a random sample of 500 people aged 20-24, 22% were smokers. In a random sample of
450 people...
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