Assume that we want to construct a confidence interval. Do one of the following as appropriate. The confidence level is 90, sigma is 3679 thousand dollars, and the histogram of 62 player salaries is as shown. Find za/2

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

When turned about its axis of rotation, which shape could have created this three-dimensional object?

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.