# Need assignment done | Statistics homework help

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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 âˆª 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?
• For      these project assignments throughout the course you will need to reference      the data in the ROI Excel spreadsheet. Download it here.

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  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 â€˜School Type Private has a 0-Year ROI between       \$1,500,000 and \$1,800,000.