Math 14 Hw 9 1

Okay so when the margin of error decreases by a factor of

Section 9.1 dot ra-

... based on telephone interviews with a random sample of one thousand twenty

... of the probabilities it should equal

The point estimate which is 0.5 minus the critical value of 1.645 times the square root of the point estimate 0.55 times

Math 14 6.1.9 Find the area of the shaded region.

We'll multiply it by the point estimate 0.18 times

Math 14 HW 9.1.RA-4

Section 9.1.

... x

Statcrunch so when you're using a calculator we're going to use inv norm 0.995 with a mean of 0 and a standard deviation of

... but here it goes three then to zero then to six and into

2242 okay so let's take a look at first we need to make sure that n times p times

Oops let's do that again 2.05 divided by .04 and then we're going to square that and then we're going to multiply by

Math 14 HW 9.1.21

Section 8.1.

Math 14 HW 9.1.13

Okay we're not given the mean but we know that X is equal to

Section 10.1.ra-

Section 10.1.