55. The number of parking tickets issued in a certain city on any given weekday has a Poisson distribution with parameter m 5 50. a. Calculate the approximate probability that between 35 and 70 tickets are given out on a particular day. b. Calculate the approximate probability that the total number of tickets given out during a 5-day week is between 225 and 275. c. Use software to obtain Devore, Jay L.. Probability and Statistics for Engineering and the Sciences (p. 237). Cengage Learning. Kindle Edition.

Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

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?

What is the period of the sinusoidal function ?