18. Giraffes between 1 and 5 months old have a body weight that is normally distributed with a mean of 87.6 pounds and a standard deviation of 4.3 pounds. Convert the following x intervals to z-scores. а. X< 90 b. x> 80 c. 83-2.34 f. 1.42

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18. Giraffes between 1 and 5 months old have a body weight that is normally distributed
with a mean of 87.6 pounds and a standard deviation of 4.3 pounds.
Convert the following x intervals to z-scores.
а. X<90
b. x> 80
c. 83<x<92
Convert the following z intervals to x intervals.
d. z<1.56
e. z>-2.34
f. 1.42<z<2.58
19. Yellowstone Park Medical Services provides emergency health care for park visitors.
An average number of visitors treated by YPMS was 21.7 with a standard deviation of
4.2. For a 10-day period, the following data show the number of visitors treated each day
by YPMS.
Day
Number 25
8.
10
19
Page
151
3 20
19
16
23
treated
DII
$4
4.
5
7
Transcribed Image Text:18. Giraffes between 1 and 5 months old have a body weight that is normally distributed with a mean of 87.6 pounds and a standard deviation of 4.3 pounds. Convert the following x intervals to z-scores. а. X<90 b. x> 80 c. 83<x<92 Convert the following z intervals to x intervals. d. z<1.56 e. z>-2.34 f. 1.42<z<2.58 19. Yellowstone Park Medical Services provides emergency health care for park visitors. An average number of visitors treated by YPMS was 21.7 with a standard deviation of 4.2. For a 10-day period, the following data show the number of visitors treated each day by YPMS. Day Number 25 8. 10 19 Page 151 3 20 19 16 23 treated DII $4 4. 5 7
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