Answer:
173522
Step-by-step explanation:
1764(98) is 172872. Then add 650, giving you 173522.
Step-by-step explanation:
Imagine placing 10 apples in a row.
We have an extra 2 baricades that we can place between any 2 apples, so that a total of 3 groups will be formed.
This is the same as choosing 2 of the 12 items to be barricades.
Hence the answer is 12C2 = 66.
Answer:
1
Step-by-step explanation:
go to -4 on the x axis. it corresponds with 1 on the y axis.
.8
All percents are out of 100, so to figure out the answer you must make the denominator, or bottom number in your fraction, 100.
To get to 100, you would multiply 5x20, because that equals 100. Because you multiplied the denominator, which is 5, you must multiply the top number by 20 as well.
4x20 = 80
So therefore, the answer is 80/100, so .8
Answer:The correct option is a)
The upper limit of successes that would be deemed to be usual is 5, so more than 5 successes would be unusual.
Step-by-step explanation:
The mean of a binomial distribution
μ= np where n=10 and p= 0.2 q= 1-p, q= 1-0.2=0.8
μ= 10×0.2=2
σ=√npq
σ=√10×0.2×0.8=1.26
Is unusual for the number of success to be greater than μ + 2.5σ.
= 2+2.5(1.26)
=5 approximately.
So it is unusual for it to be greater than 0.5. The right option Is a)
