The target population is the weekly income of students in 2017. The mean weekly income of STAT150 students in 2017 (population mean), µ, was $198 and the population standard deviation, o, was $34. A histogram of the weekly income of a large number of students from this population is shown, below, to illustrate the shape of the weekly income distribution. Frequency 70 60 50 40 30 20 10 0 140 160 Histogram of Weekly Income 180 200 220 Weekly Income 240 260 280 a) What shape is the distribution of student weekly income?

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The target population is the weekly income of students in 2017. The mean weekly income of
STAT150 students in 2017 (population mean), µ, was $198 and the population standard
deviation, o, was $34. A histogram of the weekly income of a large number of students from
this population is shown, below, to illustrate the shape of the weekly income distribution.
Frequency
70
60
50
40
30
20
10
0
140
160
Histogram of Weekly Income
180
220
Weekly Income
200
240
260
280
a) What shape is the distribution of student weekly income?
Transcribed Image Text:The target population is the weekly income of students in 2017. The mean weekly income of STAT150 students in 2017 (population mean), µ, was $198 and the population standard deviation, o, was $34. A histogram of the weekly income of a large number of students from this population is shown, below, to illustrate the shape of the weekly income distribution. Frequency 70 60 50 40 30 20 10 0 140 160 Histogram of Weekly Income 180 220 Weekly Income 200 240 260 280 a) What shape is the distribution of student weekly income?
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The histogram of student weekly income is given.

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 Can we use the Normal distribution to calculate probabilities for the weekly income of an individual student?

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