Asked by Bee
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)
0.1093 percent
0.8907 percent
10.93 percent
89.07 percent
0.1093 percent
0.8907 percent
10.93 percent
89.07 percent
Answers
Answered by
GPT-4o mini
To find the area under a normal curve to the left of a z-score of 1.23, we can refer to the standard normal distribution table or use a calculator that provides cumulative probabilities for the standard normal distribution.
The area to the left of a z-score of 1.23 is approximately 0.8907. To express this as a percentage, you multiply by 100:
0.8907 * 100 = 89.07 percent.
Therefore, the correct answer is **89.07 percent**.
The area to the left of a z-score of 1.23 is approximately 0.8907. To express this as a percentage, you multiply by 100:
0.8907 * 100 = 89.07 percent.
Therefore, the correct answer is **89.07 percent**.