3. The distribution of passenger vehicle speeds on the Interstate 5 Freeway is nearly normal with a mean of 72.6 mi/hr and a standard deviation of 4.78 mi/hr. (Use the Normal Table). Round all percen...
Bringing all of section 6.2 together... The distribution of passenger vehicle speeds traveling on the Interstate 5 Freeway (1-5) in California is nearly normal with a mean of 72.6 miles/hour and a standard deviation of 4.78 miles/hour. (a) What percent of passenger vehicles travel slower than 80 miles/hour? % (round to two decimal places) (b) What percent of passenger vehicles travel between 60 and 80 miles/hour? % (round to two decimal places) (c) How fast do the fastest 5% of...
(1 point) A)Suppose the scores of students on an exam are Normally distributed with a mean of 303 and a standard deviation of 89. Then approximately 99.7% of the exam scores lie between the numbers _____and_____ such that the mean is halfway between these two integers. (You are not to use R for this question.) B) A telemarketer calls people and tries to sell them a subscription to a daily newspaper. On 16% of her calls, there is no answer...
Part 1. 3.13 Overweight baggage: Suppose weights of the checked baggage of airline passengers follow a nearly normal distribution with mean 44.8 pounds and standard deviation 3.3 pounds. Most airlines charge a fee for baggage that weigh in excess of 50 pounds. Determine what percent of airline passengers incur this fee. (Round to the nearest percent.) __________. Part 2. There are two distributions for GRE scores based on the two parts of the exam. For the verbal part of the...
22. The Wall Street Journal (Feb. 15, 1972) reported that General Electric was sued in Texas for sex discrimination after imposing a height requirement of 57 67" The suit claimed that this restriction eliminated more than 94% of adult females from consideration for employment by GE. If the height of adult women is normally distributed with a mean of '6" (66") and a standard deviation of 2", what proportion of adult women would be excluded from employment as a result...