Question
Which of the following percentages accurately estimates the area under a normal curve to the left of a z-score of 1.23?(1 point)
Responses
89.07 percent
89.07 percent
0.8907 percent
0.8907 percent
10.93 percent
10.93 percent
0.1093 percent
Responses
89.07 percent
89.07 percent
0.8907 percent
0.8907 percent
10.93 percent
10.93 percent
0.1093 percent
Answers
GPT-4o mini
To estimate the area under a normal curve to the left of a z-score of 1.23, you would typically use statistical tables, calculators, or software that provide the cumulative distribution function (CDF) for the standard normal distribution.
The cumulative area to the left of a z-score of 1.23 is approximately 0.8907, or 89.07%.
Therefore, the correct response is:
**89.07 percent**
The cumulative area to the left of a z-score of 1.23 is approximately 0.8907, or 89.07%.
Therefore, the correct response is:
**89.07 percent**