8.8         A random sample of monthly rent paid by 12 college seniors living off campus gave the results below (in dollars). Find a 99 percent confidence interval for μ, assuming that the sample is from a normal population. Rent1

 

8.9         A random sample of 10 shipments of stick-on labels showed the following order sizes. (a) Con- struct a 95 percent confidence interval for the true mean order size. (b) How could the confi- dence interval be made narrower? (Data are from a project by MBA student Henry Olthof, Jr.)

OrderSize

12,000        18,000        30,000        60,000        14,000        10,500        52,000        14,000        15,700        19,000

 

Alpha Geek

(8)

Status NEW Posted 29 Apr 2017 10:04 AM My Price 3.00

-----------

Attachments

file 1493463309-1374639_1_636289626625613081_ap-3.xlsx preview (11 words )

da-----------tas-----------dme-----------ann-----------t(a-----------/2,-----------n-1-----------)ci----------- = -----------mea-----------n+------------ t(-----------a/2-----------,df-----------)*(-----------sd/-----------sqr-----------t(n-----------))l-----------owe-----------rup-----------per-----------a)b-----------)Ci----------- ca-----------n b-----------e n-----------arr-----------owe-----------r b-----------y:d-----------ecr-----------eas-----------ing----------- al-----------pha-----------inc-----------rea-----------sin-----------g s-----------amp-----------le -----------siz-----------e -----------

Not Rated(0)

• Buy Answer