subject
Mathematics, 16.09.2019 05:30 katelynbychurch

2. use technology or a z-distribution table to find the indicated area. the scores for a bowling tournament are normally distributed with a mean of 240 and a standard deviation of 100. julian scored 240 at the tournament. what percent of bowlers scored less than julian?
a.10
b. 25
c.50
d.75
3. use technology or a z-distribution table to find the indicated area. the odometer readings on a random sample of identical model sports cars are normally distributed with a mean of 120,000 miles and a standard deviation of 30,000 miles. consider a group of 6000 sports cars. approximately how many sports cars will have less than 150,000 miles on the odometer?
a.300
b.951
c.5048
d.5700

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 19:30
The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28
Answers: 1
question
Mathematics, 21.06.2019 22:00
White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.
Answers: 2
question
Mathematics, 22.06.2019 01:30
The water aquarium shark tank is always greater than 25 feet of the water level decreased by 6 feet during cleaning what was the water level before the cleaners took out any water
Answers: 1
question
Mathematics, 22.06.2019 02:10
The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? 0.62 0.78 0.84 0.96
Answers: 2
You know the right answer?
2. use technology or a z-distribution table to find the indicated area. the scores for a bowling tou...
Questions
question
Mathematics, 20.07.2021 21:50
question
Mathematics, 20.07.2021 21:50
question
Mathematics, 20.07.2021 21:50
question
Mathematics, 20.07.2021 21:50
question
English, 20.07.2021 22:00
Questions on the website: 13722367