3 72 Working with Probability Functions c. If the top 5% of coffee drinkers are considered heavy coffee drinkers, what is the minimum num- ber of cups per day consumed by a heavy coffee drinker? Hint: Find the 95th percentile. 3. A study is conducted to assess the impact of caffeine consumption, smoking, alcohol consumption, and physical activity on cardiovascular disease. Suppose that 40% of participants consume caffeine and smoke. If 8 participants are evaluated, what is the probability that: a. Exactly half of them consume caffeine and smoke? FIGURE 5-12 Percentiles of BMI for Men and Women Chapter5.xls (Cor Home Insert Page Layout Formulas Data Review DConnections Kdear hopertier Reapply Get External Refresh Data Filter Text to Columns KI Sort All Edit Lints Advanced Connedions Sort & Filter D9 =NORMINV(C9,A9,89) MEN Mean 2. 3) 29 29 Std Dev Percentile 09 0.95 BMI 36 68930939 3886912176 b. At most 6 consume caffeine and smoke? 4. A recent study of cardiovascular risk factors reported that 30% of adults met criteria for hypertension. If 15 adults are assessed, what is the probability that: a. Exactly 5 meet the criteria for hypertension? b. None meet the criteria for hypertension? 6 WOMEN Mean 8. Std Dev 28 28 Percentile 09 0.95 BMI 36 97086096 39 51397539 7. 10 11 c. Less than or equal to 7 meet the criteria for hy- pertension?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

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ISBN:9780079039897

Author:Carter

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Chapter10: Statistics

Section10.6: Summarizing Categorical Data

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3
72
Working with Probability Functions
c. If the top 5% of coffee drinkers are considered
heavy coffee drinkers, what is the minimum num-
ber of cups per day consumed by a heavy coffee
drinker? Hint: Find the 95th percentile.
3. A study is conducted to assess the impact of caffeine
consumption, smoking, alcohol consumption, and
physical activity on cardiovascular disease. Suppose
that 40% of participants consume caffeine and
smoke. If 8 participants are evaluated, what is the
probability that:
a. Exactly half of them consume caffeine and smoke?
FIGURE 5-12 Percentiles of BMI for Men and
Women
Chapter5.xls (Cor
Home
Insert
Page Layout
Formulas
Data
Review
DConnections
Kdear
hopertier
Reapply
Get External Refresh
Data
Filter
Text to
Columns
KI Sort
All
Edit Lints
Advanced
Connedions
Sort & Filter
D9
=NORMINV(C9,A9,89)
MEN
Mean
2.
3)
29
29
Std Dev
Percentile
09
0.95
BMI
36 68930939
3886912176
b. At most 6 consume caffeine and smoke?
4. A recent study of cardiovascular risk factors reported
that 30% of adults met criteria for hypertension. If 15
adults are assessed, what is the probability that:
a. Exactly 5 meet the criteria for hypertension?
b. None meet the criteria for hypertension?
6 WOMEN
Mean
8.
Std Dev
28
28
Percentile
09
0.95
BMI
36 97086096
39 51397539
7.
10
11
c. Less than or equal to 7 meet the criteria for hy-
pertension?

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