Testing Claim about a Proportion. Apply p-value method to evaluate the claim that percent of new small businesses
Testing Claim about a Proportion.
Apply p-value method to evaluate the claim that percent of new small businesses (population proportion)
survived 5 years is less than 40%.
H0 - population proportion p = 0.4
H1 - population proportion p < 0.4
Sample of N=80 new small businesses were checked after 5 years and found that 30 of them survived.
Calculate sample proportion ps
Calculate z-value for the test statistics is case of population proportion:
z =
ps is a sample proportion
p is a population proportion, taken from Ho,
N - sample size.
b) Use attached Table A-2 for Normal Distribution to find p-value.
Â
Â
c) At the significance level 0.05 make decision: reject or do not reject H0
Answers
Status NEW
Posted 20 Aug 2017 04:08 PM
My Price 7.00
Hel-----------lo -----------Sir-----------/Ma-----------dam----------- Â----------- -----------Tha-----------nk -----------you----------- fo-----------r y-----------our----------- in-----------ter-----------est----------- an-----------d b-----------uyi-----------ng -----------my -----------pos-----------ted----------- so-----------lut-----------ion-----------. P-----------lea-----------se -----------pin-----------g m-----------e o-----------n c-----------hat----------- I -----------am -----------onl-----------ine----------- or----------- in-----------box----------- me----------- a -----------mes-----------sag-----------e I----------- wi-----------ll -----------be -----------qui-----------ckl-----------y
Not Rated(0)