The Certain Company produces Batteries. The Company claimss That 80 Percent Of The batteriesare good for 70 monthly and more a Random sample of 100 such batterie is taken ans thw sample proportion is calculated. if the claim is true A. Find The mean of the distribution of sample proportion also find the atandard error of the peoportion. B. Find The Peobability That In A Random Sample Of 100,the proportion of those who are good for 70 month or more will be i. less than 70 percent ii. more than 75 percent