# probability and statistics

posted by .

Out of a group of 100 US residents, how many would you expect to have travelled no more than 386.9 miles in any given year?

• probability and statistics -

Is that maximum miles from home or total miles traveled? Have you been provided any statistical data on which to make a guess?

Unless confined to a care facility or prison, most Americans travel much more than a mile a day.

## Similar Questions

1. ### math, 7th

If there are 100 marbles, 10 red, 20 white, 30 blue, and 40 green, and you were to choose only one out of a bag, what is the probability that it wouldn't be red, white, or blue?
2. ### math

merle travelled six hundred twenty-three miles. hannah travelled eight hunderes one miles. hannah travelled how many more miles then merle?
3. ### Math & Stats

Please help I was up till 2am trying to figure this out last night, Thanks The top selling Red and Voss is rated 70,000 miles, which means nothing. In fact, the distance the tires can run until they wear out is a normally distributed …
4. ### statistics

An auditor of Health Maintenance Services reports 40 percent of policyholders 55 years and older submit a claim during the year. Fifteen policyholders are selected at random for company records. a)how many of the policyholders would …
5. ### statistics

What is the probability that, in a random sample of 100 drivers aged 16 to 18, 23% or more would be involved in accidents in a one year period?
6. ### STATS

The top selling Red and Voss tire is rated 70,000 miles means nothing. In fact, the distance the tires can run until they wear out is a normally distributed random variable with a mean of 82,000 miles and a standard deviation of 6,400. …
7. ### statistics

Out of a group of 100 US residents, how many would you expect to have travelled no more than 386.9 miles in any given year?
8. ### statistics

The scores on a national achievement test are normally distributed with a mean of 50 and a standard deviation of 10. Out of a group of 200 students, how many would you expect to score more than 70?
9. ### statistics

2. A researcher measures the heart rate in a population of runners and finds they have an average heart rate of ยต = 50, σ = 5. You do not need to show a graph, only computation work. 2A. Based on the average heart rate cited …
10. ### statics

In a given year every 100 babies born, there were 6 more boys than girls. If we were to randomly pick a child from a representative group, what is the probability of picking a girl?

More Similar Questions