Is you add all the ones you get 9 and if the mean is 10 sum of numbers/number of numbers so N has to be 91 because 91+9=100 100/10(number of numbers)=10
Answer:
There are 123,410 ways
Step-by-step explanation:
The number of ways or combinations in which we can select k elements from a group of n elements is given by:
In this case, we can replace n by 43 and k by 4, because we are going to select 4 light bulbs from a batch of 43 light bulbs.
So, the number of combinations is calculated as:
It means that there 123,410 ways to select 4 light bulbs from a batch of 43 lights bulbs to be tested for defects
Answer:
Here is the representation of a histogram. This represents in a continuous distribution the probability frequency of the books that Pedro had read in the summer.
Know that the probability frequency is:
Answer:
AB=6 and BC=12
Step-by-step explanation:
I'm doing the same thing in geometry. this is the equation to follow
Answer:
= 56/ 15 and 3 11/15
Step-by-step explanation:
1 3/5 x 2 1/3
= 8/5 x 7/3