Question Completion Status: QUESTION 12 10 points Save Answer The probabilities and the number of automobiles lined up at Lakeside Tesla for service at 7 a.m. is below. A. On a random day, find the mean number they should expect to be lined up at 7 a.m. B. Find the variance. C. Find the standard deviation. Number Probability 1. 0.14 2. 0.24 3. 0.42 0.20 For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS Paragraph Arial 10pt V E V A V v X2 X2 ST The - + X EXE KY P O WORDS POWERED BY TINY QUESTION 13 4 points Save