I have four different sweaters. Every day I choose one of the four sweaters at random to wear. Let X be the number of different
sweaters I wore during a 5-day week.
(For example, if my 5-day sweater sequence is 3,2,4,4,2 then X = 3 because that week I wore sweaters {2,3.4}.)
Find the mean of X.
1 answer:
Answer:
Mean is 6
Step-by-step explanation:
Mean refers to the average of the observations.
Let X be the number of different sweaters I wore during a 5-day week.
Possible values of X = 1, 2, 3, 4
For X = 1,
For X = 2,
For X = 3,
For X = 4,
To find: Mean
Solution:
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