On a test has a normal distribution, a score of 72 falls two standards deviations above the mean, and a score of 48 falls one standard below the mean determine the mean of this test. What would the answer be ?

Will mark name all segments skew to bc

Select the correct answer from each drop-down menu. the table shows the annual sales revenue for different types of automobiles from three automobile manufacturers. sales revenue (millions of dollars) suv sedan truck marginal total b & b motors 22 15 9 46 pluto cars 25 27 10 62 panther motors 26 34 12 72 marginal total 73 76 31 180 the company with the highest percentage of sales revenue from sedans is . of the annual sales revenue from suvs, the relative frequency of pluto cars is .

Acircle has a radius of 12.6cm what is the exact length of an arc formed by a central angle measuring 120