The marketing manager for an automobile manufacturer is interested in determining the proportion of new compact-car owners who would have purchased a passengerside inflatable air bag if it had been available for an additional cost of $300. the manager believes from previous information that the proportion is 0.30. suppose that a survey of 200 new compact-car owners is selected and 79 indicate that they would have purchased the inflatable air bags. if you were to conduct a test to determine whether there is evidence that the proportion is different from 0.30 and decided not to reject the null hypothesis, what conclusion could you draw? group of answer choices

a)there is not sufficient evidence that the proportion is not 0.30.
b)there is sufficient evidence that the proportion is 0.30.
c)there is sufficient evidence that the proportion is 0.30.
d)there is not sufficient evidence that the proportion is 0.30.

Gdonald was unhappy that his company did not provide good transport facilities. he found it very strenuous to drive to work on his own, and this eventually led to job dissatisfaction. hence, he recommended ways to solve this problem. according to the evln model, this information suggests that donald's main reaction to job dissatisfaction was:

Exercise 18-15 sheffield appliance center is an experienced home appliance dealer. sheffield appliance center also offers a number of services for the home appliances that it sells. assume that sheffield appliance center sells ovens on a standalone basis. sheffield appliance center also sells installation services and maintenance services for ovens. however, sheffield appliance center does not offer installation or maintenance services to customers who buy ovens from other vendors. pricing for ovens is as follows. oven only $790 oven with installation service 850 oven with maintenance services 970 oven with installation and maintenance services 990 in each instance in which maintenance services are provided, the maintenance service is separately priced within the arrangement at $180. additionally, the incremental amount charged by sheffield appliance center for installation approximates the amount charged by independent third parties. ovens are sold subject to a general right of return. if a customer purchases an oven with installation and/or maintenance services, in the event sheffield appliance center does not complete the service satisfactorily, the customer is only entitled to a refund of the portion of the fee that exceeds $790. assume that a customer purchases an oven with both installation and maintenance services for $990. (b) indicate the amount of revenue that should be allocated to the oven, the installation, and to the maintenance contract.

Amap from a trade development commission or chamber of commerce can be more useful than google maps for identifying