NCME Manufacturing claims that its ceil phose basteries last more than 32 houes on average in a certain type of cell phote,. Tests on a nandom sample of 15 batteries shownd a meas battery life of 37.8 hoors with a population standard deviation of 10 hours. Is the mean battery life grater thin the 22 bour claim? Answer the following questions using a signiffance level of alpha =0,05. 42. (2 points) Choose the apropriate the null and aliernative hopobeses. a. H632,H637.8 d. H6,32,Hi,>32 e None of the nowe 43. (2 polats) Choose the appespriate test statiatic: ROtRD TO 2 DECIMALS a t=246 b. i=4:26 c. t=240 d. t=37.8 4. Nome of the aboos. 45. (2 peina) Uning a right tailed teat, is the average batien life sigaificandy getater thas the claim of 32 hown? Choose one