Mathematics, 06.07.2019 04:10 hgfddfg
Suppose that a standardized biology exam has a mean score of 80% correct, with a standard deviation of 1.5. the school administration believes that the new class of freshmen have a different mean exam score. a sample of 40 students from the freshmen class is used and a mean score of 83% correct is obtained. calculate a 99% confidence interval. list the lower bound (rounded to 2 decimal places):
Answers: 3
Another question on Mathematics
Mathematics, 21.06.2019 14:00
Chanelle deposits $7,500 into the bank. she does not withdraw or deposit money for 6 years. she earns 6% interest during that time. what will the balance be when she is finally able to withdraw her money?
Answers: 1
Mathematics, 21.06.2019 15:00
How to determine whether two known pairs of points are on the same line.
Answers: 2
Mathematics, 21.06.2019 17:50
Adriana sold 50 shares of a company’s stock through a broker. the price per share on that day was $22.98. the broker charged her a 0.75% commission. what was adriana’s real return after deducting the broker’s commission? a. $8.62 b. $229.80 c. $1,140.38 d. $1,149.00
Answers: 1
You know the right answer?
Suppose that a standardized biology exam has a mean score of 80% correct, with a standard deviation...
Questions
Mathematics, 05.02.2020 00:50
Mathematics, 05.02.2020 00:50
Computers and Technology, 05.02.2020 00:50
Chemistry, 05.02.2020 00:50
Mathematics, 05.02.2020 00:50
Mathematics, 05.02.2020 00:50
Mathematics, 05.02.2020 00:50
Biology, 05.02.2020 00:50
Chemistry, 05.02.2020 00:50
Health, 05.02.2020 00:50
English, 05.02.2020 00:50
