This preview shows pages 1–3. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: during 10 consecutive months. 6.3 5.7 7.3 4.7 5.3 3.7 6.8 7.6 4.2 3.4 Find the range, variance, standard deviation, and mean deviation for the data. Round to the nearest hundredth. 4. If a fair coin is tossed 14 times, find the probability that tails results exactly 10 times. Round your answer to the nearest hundredth. 5. The scores on a reading test are normally distributed with a mean of 150 and a standard deviation of 20. Find the z-score of a test score of 175. 6. A restaurant has found that 55% of their customers have coffee with their meals. If 12 people eat at this restaurant, find the probability that exactly 7 of them will have coffee with their meals. 7. If the grades on a test have a normal distribution, an average grade of 75, and a standard deviation of 10, what percentage of the grades are between 65 and 85? 8. Which distribution of data shown is the best representation of a normal curve?...
View Full Document
- Summer '06