Historically, a factory has been able to produce a very specialized nano-technology component with 35% reliability, i. e., 35% of the components passed its quality assurance test. They have now changed their manufacturing process and hope that this has improved the reliability. To test this, they took a random sample of 24 components produced using the new process and found that 13 components passed the test. If you do a hypothesis test to see if the new manufacturing process is more reliable, does this observation give you enough evidence to reject the null hypothesis at 5% level of significance? (Suggestion: Use Microsoft Excel for your calculations.)The table below shows the probability of observing number of components (X) passing the test out of 24 components, if the reliability is 35%.X Probability0 0.00001 0.00042 0.00263 0.01024 0.02895 0.06226 0.10617 0.14708 0.16829 0.161010 0.130011 0.089112 0.052013 0.025814 0.010915 0.003916 0.001217 or more 0.0004A) NoB) Yes

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Until recently, hamburgers at the city sports arena cost $4.70 each. the food concessionaire sold an average of 13 comma 000 hamburgers on game night. when the price was raised to $5.40, hamburger sales dropped off to an average of 6 comma 000 per night. (a) assuming a linear demand curve, find the price of a hamburger that will maximize the nightly hamburger revenue. (b) if the concessionaire had fixed costs of $1 comma 500 per night and the variable cost is $0.60 per hamburger, find the price of a hamburger that will maximize the nightly hamburger profit.

4. understanding different policy options to correct for negative externalities carbon dioxide emissions have been linked to global warming. the following table lists some possible public policies aimed at reducing the amount of carbon dioxide in the air. for each policy listed, identify whether it is a command-and-control policy (regulation), tradable permit system, corrective subsidy, or corrective tax. public policy command-and-control policy tradable permit system corrective subsidy corrective tax the government charges factories $110 for every ton of carbon dioxide they emit. the government orders every factory to adopt a new technology, which reduces carbon-dioxide emissions into the atmosphere. trees take carbon dioxide out of the air and convert it to oxygen, so the government funds a tree-planting initiative by offering $110 to any citizen who plants a tree. the government limits total carbon-dioxide emissions by all factories to 180,000 tons per month. each individual factory is given the right to emit 140 tons of carbon dioxide, and factories may buy and sell these rights in a marketplace.