(Solved): The weight of items produced by a machine is normally distributed with a mean of 10 ounces and a s ...

The weight of items produced by a machine is normally distributed with a mean of 10 ounces and a standard deviation of 4 ounces. What is the probability that a randomly selected item will weigh between 8 and 13 ounces? a. \( 0.46 \) b. \( 0.44 \) c. \( 0.38 \) d. \( 0.04 \) QUESTION 4 The weight of items produced by a machine is normally distributed with a mean of 10 ounces and a standard deviation of 4 ounces. What percentage of items will weigh between \( 11.5 \) and \( 7.5 \) ounces? a. \( 15 \% \) b. \( 28 \% \) c. \( 38 \% \) d. \( 46 \% \) QUESTION 2 The life expectancy of a particular brand of tire is normally distributed with a mean of 40,000 and a standard deviation of 5,000 miles. What percentage of tires will have a life of 34,000 to 44,000 miles? a. \( 47.3 \% \) b. \( 97.9 \% \) c. \( 27.8 \% \) d. \( 67.3 \% \)