Suppose scores on exams in statistics are normally distributed with an unknown population mean and a population standard deviation of four points. How many scores would the professor need so that 99% confidence level would have a margin of error of 0.75 points

Eight people were asked what the balance of their savings account at the beginning of the month was and how much it increased or decreased by the end of the month. create a scatter plot that represents the data that is shown in the table. the x-axis represents the beginning balance in thousands of dollars and the y-axis represents the change in the savings account in hundreds of dollars. name beginning balance (in thousands of dollars) change in savings account (in hundreds of dollars) jimmy 5 3 kendra 4 7 carlos 5 4 yolanda 3 1 shawn 2 5 laura 3 2 andy 5 6 georgia 4 3

Find an equation for the linear function which has slope -10 and x-intercept -7

Joey is asked to name a quadrilateral that is also a rhombus and has 2 pairs of parallel sides.should be his answer