Answer for item number one

/Desktop/PAA4.pdf - + | Page view A Read aloud Draw Highlight General Direction: Write all your answers in separate sheet of paper. 1. Given a normal distribution with & = 100 and o = 10, what is the probability that a. X > 75? b. X 110? d. Between what two X values (symmetrically distributed around the mean) are 80% of the values? 2. A statistical analysis of 1,000 long-distance telephone calls made from the headquarters of the Bricks and Clicks Computer Corporation indicates that the length of these calls is normally distributed, with / = 240 seconds and or = 40 seconds. a. What is the probability that a call lasted less than 180 seconds? b. What is the probability that a call lasted between 180 and 300 seconds? c. What is the probability that a call lasted between 110 and 180 seconds? d. 1% of all calls will last less than how many seconds