Mathematics, 15.04.2020 23:30 Deascry
Tim and Jenna are surveying their classmates about their summer reading. Their questions are given below: Tim: Which author was promoted by the book reading club this month? Jenna: How many books that you read during the summer break would you recommend to your friends? Who wrote a statistical question and why?
A: Tim, because there can be only one answer to the question
B: Jenna, because there can be many answers to the question
C: Tim, because there will be variability in the responses collected
D: Jenna, because every student will give the same answer
Answers: 2
Mathematics, 21.06.2019 22:10
If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if
Answers: 3
Mathematics, 22.06.2019 00:00
Ascientist studied a population of workers to determine whether verbal praise and/or tangible rewards affect employee productivity. in the study, some workers were offered verbal praise, some were offered tangible rewards (gift cards, presents, and some were offered neither. the productivity of each participant was measured throughout the study by recording the number of daily tasks completed by each employee. which inference might the scientists make based on the given information? a.) the number of daily tasks completed by each employee may influence the dependent variable, which is whether the employee receives verbal praise, tangible rewards, or neither. b.) verbal praise and/or tangible rewards may influence the independent variable, which is the number of daily tasks completed by each employee. c.) verbal praise and/or tangible rewards may influence the dependent variable, which is the number of daily tasks completed by each employee. d.) the dependent variables, which are verbal praise and tangible rewards, may influence the number of daily tasks completed by each employee.
Answers: 1
Mathematics, 22.06.2019 01:00
Two trains leave stations 546 miles apart at the same time and travel toward each other. one train travels at 95 miles per hour while the other travels at 115 miles per hour l. how long will it take for the two trains to meet
Answers: 3
Tim and Jenna are surveying their classmates about their summer reading. Their questions are given b...
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