At a fast-food restaurant, if the average time to serve a customer is 3.75 minutes for 10 samples of size 5, and the average range for the samples is 0.50 minutes, the upper and lower control limits for a 3-sigma x̄-chart are
a. UCL = 5.08, LCL = 4.94
b. UCL = 5.75, LCL = 1.75
c. UCL - 3.91, LCL - 3.60
d. UCL - 4.04, LCL - 3.46

Suppose you want just guess at the answers in a 5 question multiple-choice test. each question has 3 responses and only one is correct. what is the probability of getting two questions right just guessing? 20 points 0.3275 0.2753 0.7532 none of the above

Abdul is making a map of his neighborhood he knows the following information: his home, the middle school, and high school are all on the same street. his home, the elementry school, and his friends house are on the same street. the angle between the elementary school, middle school, and his home is congruent to the angle between his friends house, the high school, and his home. what theorem can abdul use to determine the two triangles are similar? a- side side side similarity theoremb- angle angle similarity theoremc- corresponding parts of similar triangles are congruentd- pieces of right triangles similarity theorem

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?