Mathematics, 13.10.2020 08:01 seby77L
For the 1,000-meter running event, Abby’s mean time is 4.5 minutes with a standard deviation of 0.75 minutes. For the 800-meter event, Abby’s mean time is 3.2 minutes with a standard deviation of 0.4 minutes. In the last track meet, Abby ran the 1,000-meter race in 4.1 minutes and the 800-meter race in 3 minutes. In which event did Abby have a better performance?
Abby had a better performance in the 1,000-meter because this z-score was closer to the mean than the z-score for the 800-meter.
Abby had a better performance in the 800-meter because this z-score was closer to the mean than the z-score for the 1,000-meter.
Abby had a better performance in the 1,000-meter because this z-score was farther below the mean than the z-score for the 800-meter.
Abby had a better performance in the 800-meter because this z-score was farther below the mean than the z-score for the 1,000-meter
Answers: 1
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 00:30
Fixed rate mortgage offer: purchase price: $170,000 down payment ($34k): 20% term: 30 years interest rate: 4.25% property tax (yearly): $1,500 homeowner’s insurance (yearly): $1,000 use this example from a fixed-rate mortgage calculator to you answer the questions. keep the page open after you complete this question. according to the calculator, the monthly payment demarco and tanya should anticipate paying for principal and interest is $208. $877. $669. $1,200.
Answers: 1
Mathematics, 22.06.2019 01:50
For the right triangle shown, the lengths of two sides are given. find the third side. leave your answer in simplified, radical form.
Answers: 1
For the 1,000-meter running event, Abby’s mean time is 4.5 minutes with a standard deviation of 0.75...
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