Concept explainers
a.
Find the value of z0 such that
a.
Answer to Problem 59E
The value of z0 such that
Explanation of Solution
Calculation:
The value of z0 such that
In general, the standard
From Table 4: Appendix 3, Standard Normal Probabilities (Cumulative z Curve Areas), the following is obtained:
- Locate the area 0.5000 From Table 4: Appendix 3.
- Move left until the first column and note the values as 0.0.
- Move upward until the top row is reached and note the values as 0.00.
The value of z0 such that
b.
Find the value of z0 such that
b.
Answer to Problem 59E
The value of z0 such that
Explanation of Solution
Calculation:
In general, the standard normal distribution has
Here, the following is obtained:
Use Table 4: Appendix 3, Standard Normal Probabilities (Cumulative z Curve Areas) to obtain the following:
- Locate the area 0.8643 in Table 4: Appendix 3.
- Move left until the first column is reached and note the value as 1.1
- Move upward until the top row is reached and note the value as 0.0.
The value of z0 such that
c.
Find the value of z0 such that
c.
Answer to Problem 59E
The value of z0 such that
Explanation of Solution
Calculation:
In general, the standard normal distribution has
Here,
Use Table 4: Appendix 3, Standard Normal Probabilities (Cumulative z Curve Areas) to obtain the following:
- Locate the area 0.05 in Table 4: Appendix 3.
- Move left until the first column is reached and note the value as 1.6
- Move upward until the top row is reached and note the value as 0.04 and 0.05
The required value is as follows:
The value of z0 such that
d.
Find the value of z0 such that
d.
Answer to Problem 59E
The value of z0 such that
Explanation of Solution
Calculation:
In general, the standard normal distribution has
Here,
Use Table 4: Appendix 3, Standard Normal Probabilities (Cumulative z Curve Areas) to obtain the following:
- Locate the area 0.005 in Table 4: Appendix 3.
- Move left until the first column is reached and note the value as 2.5
- Move upward until the top row is reached and note the value as 0.07 and 0.08
The required value is as follows:
The value of z0 such that
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Chapter 4 Solutions
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