If Ziggy’s Taco Shop delivers dinners with a mean time of 21 minutes and a standard deviation of 4 minutes and Sheila’s Burrito Emporium delivers dinners with a mean time of 19 minutes and a standard deviation of 6 minutes, which place would be better to order from to receive your dinner at most 15 minutes from the time you place it? Show all relevant work and explain what your answer means.

40 x 50 = 2000

step-by-step explanation:

9987

step-by-step explanation:

answer:   35 % is the probability of a late departure or an early arrival.

step-by-step explanation:

let l represents the late departure and e represents the early departure.

then, according to the question,

p(l) = 12 %,   p(e) = 27 % and = 4 %

and, we have to find out,

but, we know that,

which is the required equation that will use to find the probability of a late departure or an early departure.

therefore,   the probability of a late departure or an early arrival =   35 %