Mathematics, 21.10.2020 17:01 corban13
John Beale of Stanford, California, recorded the
speeds of cars driving past his house, where the speed
limit reads 20 mph. The mean of 100 readings was
23.84 mph, with a standard deviation of 3.56 mph. (He
actually recorded every car for a two-month period.
These are 100 representative readings.)
How many standard deviations from the mean would a
car going under the speed limit be?
Answers: 3
Another question on Mathematics
Mathematics, 22.06.2019 00:40
Afootball quarterback has two more chances to throw a touchdown before his team is forced to punt the ball. he misses the receiver on the first throw 25% of the time. when his first throw is incomplete, he misses the receiver on the second throw 15% of the time. what is the probability of not throwing the ball to a receiver on either throw?
Answers: 2
Mathematics, 22.06.2019 03:00
Several paint mixtures are made by mixing blue paint and white paint. paint colors blue paint white paint mixture a 5 cups 12 cups mixture b 6 cups 6 cups mixture c 4 cups 12 cups mixture d 5 cups 6 cups which mixture has the highest ratio of blue paint to white paint
Answers: 3
Mathematics, 22.06.2019 04:00
Akayaker travels 3 miles upstream and 3 miles downstream in a total of 4 hours. in still water, the kayaker travels at a speed of 2 mph. what is the average speed of the river's current?
Answers: 2
You know the right answer?
John Beale of Stanford, California, recorded the
speeds of cars driving past his house, where the s...
Questions
Computers and Technology, 02.12.2020 01:00
Chemistry, 02.12.2020 01:00
History, 02.12.2020 01:00
Chemistry, 02.12.2020 01:00
History, 02.12.2020 01:00
Mathematics, 02.12.2020 01:00
Social Studies, 02.12.2020 01:00
Mathematics, 02.12.2020 01:00
Mathematics, 02.12.2020 01:00
