Hot chocolate is made with milk warmed to 172∘F with an error tolerance of 6%. What is the acceptable temperature range for milk when making hot chocolate?

161.68°F to 182.32°F

Step-by-step explanation:

6%=6/100= 0.06

0.06×172=10.32°F

thus temperature ️ range is

(172 + or - 10.32)°F

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0