Given:
Consider the expression is
To find:
The value of given expression using a suitable identity.
Solution:
We have,
Using the identity , we get
Therefore, the value of the given expression is .
Answer: 0.1289
Step-by-step explanation:
Given : The proportion of all students at a large university are absent on Mondays. :
Sample size :
Mean :
Standard deviation =
Let x be a binomial variable.
Using the standard normal distribution table ,
(1)
Z score fro normal distribution:-
For x=4
For x=3
Then , from (1)
Hence, the probability that four students are absent =
Answer:
72 in. sq.
Step-by-step explanation:
6 x 6 = 36
6 x 6 = 36 / 2 = 18
6 x 6 = 36 / 2 = 18
18 + 18 + 36 = 72.
Hope this helps!
If there is something wrong just let me know.
(2-1)(4-2)+9
(1)(2)+9
2+9
11