Mathematics, 21.06.2021 01:20 mprjug6
For a standardized psychology examination intended for psychology majors, the historical data show that scores have a mean of 500 and a standard deviation of 180 . The grading process of this year's exam has just begun. The average score of the 40 exams graded so far is 530 . What is the probability that a sample of 40 exams will have a mean score of 530 or more if the exam scores follow the same distribution as in the past? Carry your intermediate computations to at least four decimal places. Round your answer to at least three decimal places.
Answers: 1
Mathematics, 21.06.2019 23:30
Identify the slope an intercept of the following linear equation y = 1/5x - 6 a. slope: 1/5; intercept: -6 b. slope: 5; intercept: -6 c. slope: -1/5; intercept: 6 d. slope: 1/5; intercept: 6
Answers: 2
Mathematics, 22.06.2019 00:50
Melissa is purchasing a $160,000 home and her bank is offering her a 30-year mortgage at a 4.9% interest rate. in order to lower her monthly payment, melissa will make a 20% down payment and will purchase 3 points. what will her monthly mortgage payment be? a. $645.98 b. $650.46 c. $662.93 d. $606.69
Answers: 2
Mathematics, 22.06.2019 00:50
Margie is practicing for an upcoming tennis tournament. her first serve is good 20 out of 30 times on average. margie wants to know the estimated probability that her first serve will be good at least four of the next six times she serves. how could she design a simulation for this scenario?
Answers: 3
Mathematics, 22.06.2019 01:00
Acredit union pays 5% annual interest, compounded daily, on saving deposits. find the value after one year of $500 deposited in this account. a-$20.40 b-$25.64 c-$520.40 d-$525.64
Answers: 1
For a standardized psychology examination intended for psychology majors, the historical data show t...
Mathematics, 13.02.2020 00:40
Mathematics, 13.02.2020 00:40
Mathematics, 13.02.2020 00:40
Mathematics, 13.02.2020 00:40
Biology, 13.02.2020 00:40
Mathematics, 13.02.2020 00:40