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Please help with the following two questions with Work shown.
1. A recent poll of voters showed that 50% of them support the mayor. What is the probability that in a random sample of 16 voters, exactly 8 of them support the mayor? Show Work
2. A marketing survey of 2000 randomly-selected convenience store customers found that 1415 of them bought a glazed donut yesterday. 1605 said they bought a frosted crème-filled donut yesterday. 180 customers said they bought neither yesterday.
(a) What is the probability that a single randomly-selected customer bought only a frosted crème-filled donut yesterday? Round answer to nearest hundredth. Show work
A proposed study design is to leave 100 questionnaires by the checkout line in a student cafeteria. The questionnaire can be picked up by any student and returned to the cashier. Explain why this volunteer sample is a poor study design.
Marge and Joe have five daughters. They decide to have another baby because they are sure the next one will be a boy (after all, what are the odds of having another girl!)
Suppose that the gasoline mileage is approximately normally distributed with a standard deviation of 3.5 miles per gallon.?
A woman who has just moved to a new job in a new town discovers two routes to drive from her home to work. The first Monday, she flips a coin.
In paragraph form, describe the major Puritan Beliefs, their contributions to democracy, and the leading Dissenters and their ideas.
Review the list of identified causes and effects that you generated in Week 6. Analyze causes and effects of a problem/issue. Apply research to critical analysis of problem/issue.
Carry out suitable multiple comparison procedure to determine the source of the difference.
a test score of 84 was transformed into a standard score of -1.5. if the standard deviation of test scores was 4 what
Can we conclude from this that most workers there earn between $25 and $35 per hour? Is this right interpretation for margin of error?
The combined production level should not exceed 1200 units per month. The demand for product II is no more than half the demand for product I.
company a makes a large shipment to company b. company b can reject the shipment if they can conclude that the
concern over the weather associated with elnino has increased interest in the possibility that the climate on earth is
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