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To gauge their fear of going to a dentist, a large group of adults completed the Modified Dental Anxiety Scale questionn
Posted: Mon Jul 11, 2022 11:40 am
by answerhappygod
- To Gauge Their Fear Of Going To A Dentist A Large Group Of Adults Completed The Modified Dental Anxiety Scale Questionn 1 (31.46 KiB) Viewed 33 times
To gauge their fear of going to a dentist, a large group of adults completed the Modified Dental Anxiety Scale questionnaire. Scores (X) on the scale ranges from zero (no anxiety) to 25 (extreme anxiety). Assume that the distribution of scores is normal with mean u 11 and standard deviation o= 4. Find the probability that a randomly selected adult scores between 11 -4 and 11 + 2*4.