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****NEED TO KNOW HOW PROBLEM IS SET UP IN EXCEL*** During the period of time that...

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Basic Math

  1. ****NEED TO KNOW HOW PROBLEM IS SET UP IN EXCEL***
  2. During the period of time that a local university takesphone-in registrations, calls come in at the rate of one every twominutes.
    1. Clearly state what the random variable in this problem is?
    2. What is an appropriate distribution to be used for this problemand why?
    3. What is the expected number of calls in one hour?
    4. What is the probability of receiving three calls in fiveminutes?
    5. What is the probability of receiving NO calls in a 10-minuteperiod?
    6. What is the probability of receiving more than five calls in a10-minute period?
    7. What is the probability of receiving less than seven calls in15-minutes?
    8. What is the probability of receiving at least three but no morethan 10 calls in 12 minutes?

Answer & Explanation Solved by verified expert
4.2 Ratings (506 Votes)
a 1 per twominuteb poisson distribution is appropriatePx e x xc the expected number of occurence in one hour is the mean oftwo minutes multiplied by the number of period of 2 minutes    See Answer
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