Questions from Statistics

Q: When the Giants and Patriots football teams play each other, is

When the Giants and Patriots football teams play each other, is it possible for one of the quarterbacks to have a higher passing percentage in each half while having a lower passing percentage for the...

Q: Siena wins each of the first two sets of a tennis tournament

Siena wins each of the first two sets of a tennis tournament by winning more games than her opponent in the first set and also winning more games than her opponent in the second set. It follows that S...

Q: A manufacturer uses two different production sites to make batteries for cell

A manufacturer uses two different production sites to make batteries for cell phones. There is a defect rate of 2% at one of the sites and a defect rate of 4% at the other site. Therefore, the overall...

Q: Among a sample of 1037 adult women, pulse rates are normally

Among a sample of 1037 adult women, pulse rates are normally distributed with a mean of 74.0 beats per minute, but 75% of the women have pulse rates greater than 74.0 beats per minute.

Q: The distribution of Chrome book sales data over the last year is

The distribution of Chrome book sales data over the last year is not normal, because it has two modes corresponding to the holiday season and back-to-school season.

Q: The distribution of the weights of all adult elephants in Kenya is

The distribution of the weights of all adult elephants in Kenya is a normal distribution.

Q: A pollster conducts a research project about how adult Americans pay their

A pollster conducts a research project about how adult Americans pay their bills. She posts her survey on a website and obtains 47 responses.

Q: The distribution of annual incomes of U.S. adults is

The distribution of annual incomes of U.S. adults is a normal distribution.

Q: Refer to the QWERTY data in Exercise 21 in Section 3.

Refer to the QWERTY data in Exercise 21 in Section 3.1 and construct a dot plot.

Q: Every 100th iPhone screen is tested for readability

Every 100th iPhone screen is tested for readability