solve question 1 a,b, abd c

solve 1 a, 1b and 1c

Suppose the tte of a particular brand of calculator battery is approximately normally distributed with a mean of 8 hours and a standard deviation of 11 hours. Complete parts a through a What is the probability that a single battery randomly selected from the population we have a lite between 75 and 5 hours? P(755x585)=L(Round to four decimal places as needed) b. What is the probability that 16 randomly sampled batteries from the population will have a sample mean ite of between 75 and hours? P(755x585) (Round to four decimal places as needed cut the manufacturer of the battery in able to reduce the standard deviation of battery ite from 11 hours, what would be the protobity that 16 batteries randorty taped from the population a sample mean life of between 75 and 85 hours? P1755x585)=(Round to four decimal places as needed) Time Remaining: 02:59:17 Nex Suppose the life of a particular brand of calculator battery to provately normally tributed with a mean of 10 hours and a standard deviation of 17 hours complete parts a tough What is the probability that a single bohy randomly selected from the population will have a te between 75 and 5 hours P/75685-0-3500 Round to our client places as needed D. What is the probability that 16 domy samole batteries from the population will have a sample manife of betunen 75 und 5 hours PSS25 Round to tour decina paces as needed Contacturer of the they stile to do the standard deviation of botterom 11 to 9 hours, what would be the probably a 16 hattere randomly and from the population have a si mean ite of between 755 hours : 90 . M a. What is the probability that a single battery randomly selected from the population will have a life between 75 and 85 hours? P(75SXsB5)= 0.3506. (Round to four decimal places as needed) What is the probability that 16 randomly sampled batteries from the population will have a sample mean ite of between 75 and 85 hours? P(755x585) - (Round to fou (Round to four decimal places as needed) cut the manufacturer of the battery is able to reduce the standard deviation ot battery life from 11 to 9 hours, what would be the probability that 16 batteries randomly sampled from have a sample mean ite of between 75 and 85 hours? vo Vo (u) More ose thee of a partidar brand of calculator battery 55x585) 05536 Round to four decimal places as needed) What is the probability that 16 random sampled batteries from the population will have a sample mean ite of between 75 and 5 hours 75X585) Round to four decimal places as needed) me manufacturer of the battery is able to reduce the standard deviation of battery lite from 11 to 9 hour, what would be the probably that 16 bateries randomly sampled from the population wil ve a sample mean of bewon 75 and 5 hours? PITSSX 65-found to four decimal careeded) . 3