In a survey of 1430 undergraduate students 1087 reported

In a survey of 1430 undergraduate students, 1087 reported that they had one or more credit cards.

a. Provide a 90% confidence interval for the proportion of all college students who have at least one credit card.

b. Provide a 95% confidence interval for the proportion of all college students who have at least one credit card.

c. Assuming all else held constant, as the confidence level increases does the confidence interval get wider, narrower, or stay the same?

If the dislocation is pi nned at two points 1 micron apart : a sample of tungsten w contains an edge dislocation. w can be treated as elastically isotro pi c and the dislocation is

A researcher conducted a study that examined the proportion : a researcher conducted a study that examined the proportion of high school students who cheated on tests at least twice

Excerpts from goodrow corporations most recent balance : excerpts from goodrow corporations most recent balance sheet and income statement appear below year 2 year 1 total

The ball leaves the club at a speed of 177 ms at an angle : a golfer hits a shot to a green that is elevated 3.00 m above the point where the ball is struck. the ball leaves the

In a survey of 1430 undergraduate students 1087 reported : in a survey of 1430 undergraduate students 1087 reported that they had one or more credit cards.a. provide a 90

A determine the magnitude of her acceleration assumed to be : a skateboarder starting from rest rolls down a 14.6-m ramp. when she arrives at the bottom of the ramp her speed is

Find the amount of energy the freezer must remove from the : r-134a fills a 0.1 m3 capsule at 20oc 200 kpa. it is placed in a deep freezer where it is cooled to -10oc. the deep

The ball remains in contact with the kickers foot for 00593 : in a football game a kicker attempts a field goal. the ball remains in contact with the kickers foot for 0.0593 s

You can use a significance test to evaluate the hypothesis : explain what is wrong with each of the followinga. you can use a significance test to evaluate the hypothesis hophat0.6