Answer:
It travel at the rate of <u>500 miles per hour</u>.
Step-by-step explanation:
Given:
Ewans flight is scheduled to travel 1,750 miles in 3.5 hours.
Now, to find the rate it travel per hour.
Distance = 1,750 miles.
Time = 3.5 hours.
So, to get the rate we put formula:
Therefore, it travel at the rate of 500 miles per hour.
Answer:
P = 0.008908
Step-by-step explanation:
The complete question is:
The table below describes the smoking habits of a group of asthma sufferers
Nonsmokers Light Smoker Heavy smoker Total
Men 303 35 37 375
Women 413 31 45 489
Total 716 66 82 864
If two different people are randomly selected from the 864 subjects, find the probability that they are both heavy smokers.
The number of ways in which we can select x subjects from a group of n subject is given by the combination and it is calculated as:
Now, there are 82C2 ways to select subjects that are both heavy smokers. Because we are going to select 2 subjects from a group of 82 heavy smokers. So, it is calculated as:
At the same way, there are 864C2 ways to select 2 different people from the 864 subjects. It is equal to:
Then, the probability P that two different people from the 864 subjects are both heavy smokers is:
Answer:
There is a 66.67% probability that the number is an even number or a number divisible by 3.
Step-by-step explanation:
A probability is the number of desired outcomes divided by the number of total outcomes.
Desired outcomes:
These are the following even numbers from 1 through 30: 2,4,6,8,10,12,14,16,18,20,22,24,26,28,30
There are 15 even numbers.
These are the following numbers divisible by 3 from 1 through 30:
3,6,9,12,15,18,21,24,27,30
We only count the odd numbers here, since we have already counted the even ones.
There are 5 odd numbers divisible by 3.
So there are 20 numbers that are even numbers or divisible by 3. So there are 20 desired outcomes.
Total outcomes:
There are 30 numbers from 1 through 30. So the number of total outcomes is 30.
Find the probability that the number is an even number or a number divisible by 3.
There is a 66.67% probability that the number is an even number or a number divisible by 3.