1. R

    normalcdf question

    One summer night at Bellair Lanes, a group of math professors went bowling. In true form, they decided to calculate their mean bowling score and standard deviation to use for the statistics problems. Here are the results: u(mean) 88, o(standard dev.)15. Find the probability that if a math...
  2. K

    can i use normalcdf for this question

    sevay taken outside a resturant for wating time. mean in 45min and standard deviation is 12min. determine the probability that a random person had to wait less that 20 min. can I use normalcdf(0,20,45,12) to get the right answer?