Mathematics, 07.10.2021 15:10 Nikida41
Your friend tells you she has 7 coins in her hand (just pennies, nickels, dimes and quarters). If you guess how many of each kind of coin she has, she will give them to you. If you guess randomly, what is the probability that you will be correct? Provide an explanation for the formula used.
Answers: 2
Mathematics, 21.06.2019 15:00
1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.
Answers: 1
Mathematics, 21.06.2019 18:20
The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%
Answers: 1
Mathematics, 21.06.2019 23:10
Frank is lending $1,000 to sarah for two years. frank and sarah agree that frank should earn a real return of 4 percent per year. instructions: a. the cpi (times 100) is 100 at the time that frank makes the loan. it is expected to be 113 in one year and 127.7 in two years. what nominal rate of interest should frank charge sarah?
Answers: 3
Your friend tells you she has 7 coins in her hand (just pennies, nickels, dimes and quarters). If yo...
Advanced Placement (AP), 14.03.2022 04:00
English, 14.03.2022 04:00
Biology, 14.03.2022 04:10
Mathematics, 14.03.2022 04:10
Mathematics, 14.03.2022 04:10
English, 14.03.2022 04:10
Mathematics, 14.03.2022 04:10
Mathematics, 14.03.2022 04:10
Mathematics, 14.03.2022 04:10
English, 14.03.2022 04:10
Mathematics, 14.03.2022 04:10
Chemistry, 14.03.2022 04:10