Which of the following probabilities is the greatest for a standard normal distribution?
Asked by maham237 @ in Mathematics viewed by 401 People
a. p(-1.5≤z≤-0.5)
b. p(-0.5≤z≤0.5)
c. p(0.5≤z≤1.5)
d. p(1.5≤z≤2.5)
Asked by maham237 @ in Mathematics viewed by 401 People
a. p(-1.5≤z≤-0.5)
b. p(-0.5≤z≤0.5)
c. p(0.5≤z≤1.5)
d. p(1.5≤z≤2.5)
Answered by maham237 @
Look at the attached diagram. From this diagram you can conclude that:
1. or 9.2%+15%=24.2%;
2. or 19.1%+19.1%=38.2%;
3. or 15%+9.2%=24.2%;
4. or 4.4%+1.7%=6.1%.
As you can see the greatest value is (19.1%+19.1%=38.2%).
Answer: correct choice is B.
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