Construct a 95% confidence interval of the population proportion using the given information.

x=40,n=200

The lower bound is

______

.

The upper bound is

__________

.

(Round to three decimal places asneeded.)

B)A survey of 2304 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 415 have donated blood in the past two years. Complete parts(a) through(c) below.

(a) Obtain a point estimate for the population proportion of adults in the country aged 18 and older who have donated blood in the past two years.

p=

. 180

.180

(Round to three decimal places asneeded.)

(b) Verify that the requirements for constructing a confidence interval about p are satisfied.

The sample __________

(cannot be assumed to be, can be assumed to be, is stated to be, cannot be assumed to be, is stated to not be)

a simple randomsample, the value of __________ (Formula)

is ______(number)

which is______(great or equal, less than)

10, and the_________________(population(size, proportion) , sample (size,Proportion)) _____________ (can, cant (be assumed), is, is not (stated) )

less than or equal to 5% of the___________(population(size, proportion) , sample (size,Proportion))

A random sample of 1012 adults in a certain large country was asked"Do you pretty much think televisions are a necessity or a luxury you could dowithout?" Of the 1012 adultssurveyed, 533 indicated that televisions are a luxury they could do without. Complete parts(a) through(e) below.

(a) Obtain a point estimate for the population proportion of adults in the country who believe that televisions are a luxury they could do without.

p=. 527

(b) Verify that the requirements for constructing a confidence interval about p are satisfied.

The sample __________

(cannot be assumed to be, can be assumed to be, is stated to be, cannot be assumed to be, is stated to not be)

a simple randomsample, the value of __________ (Formula)

is ______(number)

which is______(great or equal, less than)

10, and the_________________(population(size, proportion) , sample (size,Proportion)) _____________ (can, cant (be assumed), is, is not (stated) )

less than or equal to 5% of the___________(population(size, proportion) , sample (size,Proportion))