Elections for members of Congress that occur in the middle of a President’s term are called what?

Which of the following best describes the difference between closed primaries and open primaries?

How has media ownership trended in recent years?

Which of the following is an example of an open-seat election?

An online retailer claims that 95% of all orders are shipped within 12 hours of being received. A consumer group placed 300 orders of different sizes and at different times of the day; 276 orders  were shipped within 12 hours.  Assuming the retailers claim is true, find the probability that a sample of 300 orders would produce a sample proportion lower than the one observed in this sample.

The U.S. Census Bureau announced that the median sales price of new houses sold in January of 2022 was $428,700 with a standard deviation of $262,700. If you select a sample of 50 houses, what is the probability that the sample mean will be between $353,000 and $383,000?

What proportion of tax returns show a refund of between $900 and $1,000?

It is [BLANK-1] that a taxpayer owes money to the government.

What proportion of the tax returns show that the taxpayer owes money to the government?

Refer to the previous question. Getting a sample average cost of less than $14,500 is very [BLANK-1].