Mathematics, 27.08.2019 03:30 briashia
Suppose the number of dollars spent per week on groceries is normally distributed. if the population standard deviation is 7 dollars, what minimum sample size is needed to be 90% confident that the sample mean is within 3 dollars of the true population mean?
Answers: 3
Mathematics, 21.06.2019 20:00
Which of the following is an equation of a line parallel to the equation y=4x+1?
Answers: 1
Mathematics, 22.06.2019 00:10
How do i take any fraction and make it into a decimal or percentage?
Answers: 1
Mathematics, 22.06.2019 01:00
Arrange the steps to solve this system of linear equations in the correct sequence. x + y = -2 2x β 3y = -9 tiles subtract 3x + 3y = -6 (obtained in step 1) from 2x β 3y = -9 (given) to solve for x. substitute the value of x in the first equation (x + y = -2) to get y = 1. the solution for the system of equations is (-3, 1). x = -15 the solution for the system of equations is (-15, 13). add 3x + 3y = -6 (obtained in step 1) to 2x β 3y = -9 (given), and solve for x. x = -3 substitute the value of x in the first equation (x + y = -2) to get y = 13. multiply the first equation by 3: 3(x + y) = 3(-2) 3x + 3y = -6.
Answers: 1
Mathematics, 22.06.2019 03:00
Alayna wonders how much water it would take to fill her cup she drops her pencil in her cup and notices that it just fits diagonal the pencil is 17 cm long and the cup is 15 cm tall how much water can the cup hold
Answers: 2
Suppose the number of dollars spent per week on groceries is normally distributed. if the population...
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