Show all your work. Indicate clearly the methods you use, because you will be scored on the correctness of your methods as well as on the accuracy and completeness of your results and explanations. Age (years) Frequency 20 << 30 160 30 < x < 40 130 40 < x < 50 100 50 < x < 60 115 60 < x < 70 125 70 < x < 80 135 The manager of a vacation resort believes that the ages of adult visitors to the resort can be modeled by a normal distribution. The manager surveyed a random sample of 765 visitors and recorded their age. A summary of the responses is shown in the frequency table, where a represents the age of the visitor. (a) Construct a histogram of the distribution of ages. BIU X2 X₂n E (b) Write a few sentences to describe the distribution of ages of the adult visitors to the resort.
Show all your work. Indicate clearly the methods you use, because you will be scored on the correctness of your methods as well as on the accuracy and completeness of your results and explanations.
Age (years)
Frequency
20 << 30
160
30 < x < 40
130
40 < x < 50
100
50 < x < 60
115
60 < x < 70
125
70 < x < 80
135
The manager of a vacation resort believes that the ages of adult visitors to the resort can be modeled by a
(a) Construct a histogram of the distribution of ages.
BIU
X2
X₂n
E
(b) Write a few sentences to describe the distribution of ages of the adult visitors to the resort.
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