math

posted by .

THE MAXIMUM NUMBER OF CUSTOMERS ARRIVING DURING RANDOMLY CHOSEN 10-MIN INTERVALS IS 5 AT A DRIVE-IN FACILITY SPECIALIZING IN PHOTO DEVELOPMENT AND FILM SALES. IT HAS BEEN FOUND THE NUMBER OF ACTUAL SALES MADE FOLLOWS THE PROBABILITY DISTRIBUTION IN TABLE BELOW.
NUMBER OF SALES ( X ) 0 1 2 3 4 5
PROBABILITY [P( X )] 0.15 0.25 0.25 ? 0.10 0.05

A. PLEASE FILL IN THE MISSING PROBABILITY FOR X=3 IN THE TABLE ABOVE (CELL WITH “?” MARK)

B. CALCULATE THE EXPECTED NUMBER AND VARIANCE OF ARRIVALS IN 10-MIN INTERVAL.

  • math -

    A MAIL-ORDER FIRM HAS A CIRCULAR WHICH ELICITS A 10 % RESPONSE RATE. SUPPOSE 20 OF THE CIRCULARS ARE MAILED AS A MARKET TEST IN A NEW GEOGRAPHIC AREA. ASSUMING THAT THE 10% RESPONSE RATE IS APPLICABLE IN THE NEW AREA, DETERMINE THE PROBABILITIES OF THE FOLLOWING EVENTS:
    A. NO ONE RESPONDS

    B. A MAJORITY OF THE PEOPLE RESPOND

    C. WHAT IS THE EXPECTED NUMBER OF PEOPLE WILL RESPOND?

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. statistics

    A salesperson has found that the probability of making various numbers of sales per day is presented in the following table. Calculate the expected number of sales per day and the standard deviation of the number of sales. Number of …
  2. telemarketing

    A telemarketer with B2B Communications has a 20 percent historical probability of making a sale during a shift where 100 calls were made. Assign a random variable x, where the value of x is equal to the number of sales made during …
  3. Statistics

    While attending a sales meeting you were asked about the relationship between sales calls and actual sales made. Fortunately, you had just completed a study on this topic bu you failed to bring the report with you. However, you do …
  4. stat

    Problem 2. THE PROBABILITY THAT A RANDOMLY CHOSEN SALES PROSPECT WILL MAKE A PURCHASE IS 0.20. IF A SALESMAN CALLS ON SIX PROSPECTS, A. WHAT IS THE PROBABILITY THAT HE WILL MAKE EXACTLY FOUR SALES?
  5. math

    the probability that a radomly chosen potential customer will make a purchse is 0.20if a sales man calls on 6 customers .what is the probabilty they will make exactly 4 sales
  6. statistics

    a company decides to add a new program that prepares randomly selected sales personnel to increase their number of sales per month. The mean number of sales per month for the overall popualtion of sales people at this national company …
  7. Psychology

    1. A company decides to add a new program that prepares randomly selected sales personnel to increase their number of sales per month. The mean number of sales per month for the overall population of sales people at this national company …
  8. Statistics

    1. A company decides to add a new program that prepares randomly selected sales personnel to increase their number of sales per month. The mean number of sales per month for the overall population of sales people at this national company …
  9. Frequency Distribution

    The manager of a retail store counted the number of sales each hour during a 60-hour week. The frequency distribution is given below . Find the average number of sales during an hour Number of sales during hour Number of occurrences …
  10. Statistics

    Bookstore has a website for which 90 percent of their book sales are to out of state customers and not subject to the collection of sales tax . The sample proportion of all sales to out of state customers from samples of size 100 will …

More Similar Questions