Based on your calculations in part c, did Arnold ski without falling more than three times as long as anyone else in the family did?

Find the sum of the first 8 terms of the following sequence. round to the nearest hundredth if necessary.

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?

Sum of the interior angles of a pentagon