Answer:
Step-by-step explanation:
Given a total of 12 diesel engines
out of which 2 are defective
Company have to choose 5 good engines to ship.
Therefore no of ways in good engines are selected is 
no of ways in which any 5 engines are selected from a total of 12 engines is

Therefore the required probability =
=
=0.318
Answer:
The total amount of money Shanika and her friends want to raise is <u>$2400</u>.
Step-by-step explanation:
Given:
After a storm damages the community center, Shanika and her friends hold fundraising.
After the first event, they raise $240, which is 10% of the total amount that they want to raise.
Now, to find the total amount of money that Shanika and her friends want to raise.
Let the total amount of money that Shanika and her friends want to raise be
.
As given 10% of fundraise is $240.
So, according to question:



<em>Multiplying both sides by 100 we get:</em>

<em>Dividing both sides by 10 we get:</em>

Therefore, the total amount of money Shanika and her friends want to raise is $2400.
Subtract b and then a = (zma) - b
Answer:
so 9:20
Step-by-step explanation:
I'm confused by this question