Textbook ExpertVerified Tutor
25 Nov 2021
Given information
Given that the amount of time spent alone by a four-year-old Chinese child is normally distributed with mean of 3 hours and standard deviation of 1.5 hours.
Step-by-step explanation
Step 1.
Follow the provided steps of Ti-84 calculator to find the required value:
- Press 2ND > VARS > invNorm( > ENTER.
- Write area = 0.30 , mean = 1.5 and standard deviation = 3.
- Click on ENTER.
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