If a student scored 75 points on a test where the mean score was 83.5 and the standard deviation was 6.1. the student's z score
2 answers:
Answer:
The z score is -1.39
Step-by-step explanation:
Taking into account, that the student score is 75 points, the mean score is 83.5 and the standard deviation is 6.1. The z score is calculated as:
Where x is the score that the student gets, m is the mean score and s is the standard deviation, so the z score is:
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Answer:
Step-by-step explanation:
GIVEN: Thomas is remodeling his living room. He is deciding on the options shown: Floor: Carpet, Hardwood, Tile Paint: Khaki, Green, Red, Blue Seating: Leather Sofa, Cloth Sofa Entertainment: LCD TV, Plasma TV.
TO FIND: If Thomas is choosing from each of the categories shown, how many ways can Thomas remodel his living room.
SOLUTION:
Total options for floor
number of ways of selecting floor
Total options for Paint
number of ways of selecting paint
Total options for Seating
number of ways of selecting Seating
Total options for Entertainment
number of ways of selecting Entertainment
Total ways of selecting from each category
Hence there are of remodeling living room.