Qnt 561 week 3 mcgrawhill questions latest 2016 version


8-2

 

The subjoined is a inventory of 29 hospitals in the Cincinnati (Ohio) and Northern Kentucky region

a.       A  exemplification of five hospitals is to be haphazardly clarified. The haphazard mass are 09, 16, 00, 49, 54, 12, and 04. Which hospitals are comprised in the exemplification?

b.      A exemplification of five hospitals is to be haphazardly clarified. The haphazard mass are 09, 16, 00, 49, 54, 12, and 04. Which hospitals are comprised in the exemplification?

 

 

8-8

A population consists of the subjoined five appraises, 2,2,3,5,7

a.       List  all exemplification of  bigness 3,  and appraise the balance of each exemplification

b.      Compute the balance of the disposal of exemplification balances and population balance

 

 

8-12

A exemplification of five hospitals is to be haphazardly clarified. The haphazard mass are 09, 16, 00, 49, 54, 12, and 04. Which hospitals are comprised in the exemplification?

 

Compute the balance of the population

8-16

A ordinary population has a balance of 75 and a exemplar solution of 5.  You chosened a exemplification of 40

Compute the likelihood the exemplification balance is

a.       Less than 74

b.      Between 74 and 76

c.       Between 76 and 77

d.      Greater than 77

9-4

Suppose you comprehend σ and you absence an 85% trust raze. What appraise would you use as z in formula of trust period for a population balance?

 

 

9-6

A inquiry immovable conducted a reconnoitre to indicate the balance totality uniform smokers lay-out on cigarettes during a week. They root the disposal of totalitys late per week followed the ordinary disposal delay a population exemplar solution of $5. A exemplification of 64 uniform smokers orthodox that  xbar = 20

 

What is the 95% trust period deem  of mu

 

 

 

9-10

Use Appendix B.5 to place the appraise of t below the subjoined conditions. (Round your answers to 3 decimal places.)

a.       The exemplification bigness is 15 and the raze of trust is 95%

b.      The exemplification bigness is 24 and the raze of trust is 98%

c.       The exemplification bigness is 12 and the raze of trust is 90%

 

9-26

Past reconnoitres communicate that 30% of tourists going to Las Vegas to gamble lay-out further than $1,000. The Visitor’s Bureau of Las Vegas absences to update this percentage.

a.       The new consider is to use the 90% trust raze. The deem is to be delayin 1% of the population relation. What is the requisite exemplification bigness?

b.      The Bureau feels the exemplification bigness indicated over is too capacious. What can be produced to curtail the exemplification? Based on your impulse, recalculate the exemplification bigness. (Hint: Use an equitable deception in the rove of 0.01 to 0.05)

 

 

9-28

Forty-nine items are haphazardly clarified from a population of 500 items. The exemplification balance is 40 and the exemplification exemplar solution 9.

Develop a 99% trust period for the population balance