Six vitamin and three sugar tablets identical in appearance are in a box. One tablet is taken at random and given to Person A. A tablet is then selected and given to Person B. What is the probability that Person A was given a vitamin tablet?

W2 Written Assignment “Week 2 Assignment”

  • Question 1
    1. Compute the weighted mean for the following data.

 

Question 2

    1. If P(A) = 0.50, P(B) = 0.40, and P(A ∪ B) = 0.88, then P(B | A) =

 
Question 3

Six vitamin and three sugar tablets identical in appearance are in a box. One tablet is taken at random and given to Person A. A tablet is then selected and given to Person B. What is the probability that

    1. Person A was given a vitamin tablet?
    2. Person B was given a sugar tablet given that Person A was given a vitamin tablet?
    3. neither was given vitamin tablets?
    4. both were given vitamin tablets?
    5. exactly one person was given a vitamin tablet?
    6. Person A was given a sugar tablet and Person B was given a vitamin tablet?
    7. Person A was given a vitamin tablet and Person B was given a sugar tablet?

Project Week 2

 

For these project assignments throughout the course you will need to reference the data in the ROI Excel spreadheet. See attached.

 

 

Using the ROI data set:

1.For each of the 2 majors calculate the mean, median, minimum, maximum, range, and standard deviation for the columns ‘Cost’ and ’30-Year  ROI’.

2.By hand or with Excel, for each of the 2 majors calculate the probability that a college picked from the column for ‘School Type’ is ‘Private’.

3.By hand or with Excel, for each of the 2 majors find the probability that a college with the ‘School Type’ ‘Private’ has a ’30-Year ROI’ between $1,500,000 and $1,800,000.

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