Question

Hosted by ALEKS Corp. Homework 5 Part 6 of 6 < Previous Previous 1 2 3 4 5 6 8 10 10 Next Next Question 7 of 14 (0.2 points) 6.4 Section Exercise 6c Use the normal approximation to the binomial to find the probability for -51, p = 0.7, and X 40. Round z-value calculations to 2 decimal places and final answer to 4 decimal places. The probability is

Answer 1

Solation:- Cuse the Normal approximationtothe binonial toind: Rezcuired infumation is give, by, D:51 Due have to oblained the probability Solertion:- CASe the Noimal approxinmation binomial to find to the Rescuired information is gilen gy n=S1 P=0.4 -we hale to obtaired the mean and Gandord dviation ba Crsing gilas dala is, Etere, is Nean - 51 Xo 7 and, Glandoid cloviation i's =/XPXC-P] SHO 4 CHo) 5X 0.4*0 .31 - 3.273 6= 3.Q73

Then 7, l=85.+ O = 3.2+3 and, probabiliy is PEXS Io] >PC X< 10to.5] gusing Conect factor -) PCXS C10-5] > PEX-4< 4o -5- SPEZ< 4o.5-35.7 3.213 3.273 >PCZ< l.4665) =>Prz< r167] 0.a2a2 => There fore, Resci ned probabiliy Oo. 9292 is