The chance of getting a particular disease sometime during your lifetime is estimated at 1 in 20.

smoking increases the risk of developing the disease during your lifetime by 20%.

how many people out of a group of 1000 smokers would you expect to get the disease sometime during their lifetime?

60 people

Step-by-step explanation:

The chance of getting a particular disease is

To calculate how much the chance is increased by smoking, you have to calculate the 20% of and then perform the sum of it and the original chance

A 20% as a fractional number is

Therefore the 20% of is:

So, the chance of getting a particular disease sometime during the lifetime for a smoker is:

This means that every 100 smokers, 6 of them would get the disease.

You have to multiply the risk by the group of smokers to calculate how many people you would expect to get the disease:

In conclusion, 60 people out of a group of 1000 people would get the disease.

whats the

50- 250 is correct i did that one too

step-by-step explanation: