Suppose the standard deviation of the losses had been $3000 instead of $1000. what would the larger standard deviation do to the width of the confidence interval (assuming the same level of confidence)?

When calculating the bountiful returns that retirees allegedly would glean from stock investments, privateers use rosy projections about a continually booming market. but when predicting bankruptcy for social security, they switch to pessimistic projections of a low-growth economy with abnormally low payments into the fund. in fact, far from going broke, social security produces enormous surpluses. from __ to americans paid more in social security taxes than were paid out in benefits. according to the congressional budget office, the social security trust fund will remain solvent until at least social security is the only federal program that produces about $150 billion yearly surplus, the only program that shows every sign of being selfsupporting and solvent for over thirty years to come yet is repeatedly described by its enemies as being in danger of insolvency?

Norton manufacturing expects to produce 2,900 units in january and 3,600 units in february. norton budgets $20 per unit for direct materials. indirect materials are insignificant and not considered for budgeting purposes. the balance in the raw materials inventory account (all direct materials) on january 1 is $38,650. norton desires the ending balance in raw materials inventory to be 10% of the next month's direct materials needed for production. desired ending balance for february is $51,100. what is the cost of budgeted purchases of direct materials needed for january? $58,000 $65,200 $26,550 $25,150

Suppose the number of equipment sales and service contracts that a store sold during the last six (6) months for treadmills and exercise bikes was as follows: treadmill exercise bike total sold 185 123 service contracts 67 55 the store can only sell a service contract on a new piece of equipment. of the 185 treadmills sold, 67 included a service contract and 118 did not.