pls answer everythinh & ill give a thumbs up

ind the folowing probabilities based cin the standard normal variable Z (You may find it useful to reference the mabls. Aound your inewers to 4 deelmal places.) Customers make purchases at o comvericnce store, on averape, every ftteen minutes, It is fair to assume that the tise between customer purchases is exponentiglly distributed. Jack operotes the cash regiffer at this store. o-1. What a the rite potometer A? (Pound your answer to 4 decimal places) b. Jack wants to toke a eleven minute breaki He believes that if he goes right atter he has serviced a customer, he wit lower the probability of someone showing up during his eleven-eninite break is he right in this betief? Too No 0 c. What is the probability that a costomer wiit show op in ie6s than eieven minutes? (Rownd intermediate calculations to at leaet 4. decimal piaces and thal antwer to 4 decimal ploces.) d. Whot is the probabi ty that nobody anouth up for over haze an hour? (Round intermediate ceiculotions to at ieast 4 docimal placts and final anwwer to 4 decimsl places. ind the folowing probabilities based cin the standard normal variable Z (You may find it useful to reference the mabls. Aound your inewers to 4 deelmal places.) Customers make purchases at o comvericnce store, on averape, every ftteen minutes, It is fair to assume that the tise between customer purchases is exponentiglly distributed. Jack operotes the cash regiffer at this store. o-1. What a the rite potometer A? (Pound your answer to 4 decimal places) b. Jack wants to toke a eleven minute breaki He believes that if he goes right atter he has serviced a customer, he wit lower the probability of someone showing up during his eleven-eninite break is he right in this betief? Too No 0 c. What is the probability that a costomer wiit show op in ie6s than eieven minutes? (Rownd intermediate calculations to at leaet 4. decimal piaces and thal antwer to 4 decimal ploces.) d. Whot is the probabi ty that nobody anouth up for over haze an hour? (Round intermediate ceiculotions to at ieast 4 docimal placts and final anwwer to 4 decimsl places