The photo show how to solve the equation. Also you can use calculator to solve the problem. The easiest way of doing this is using a scientific calculator then use shift solve method for the ans
Answer:
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Answer:
0.2460 is the required probability.
Step-by-step explanation:
We have been given binomial model
n is the total number of questions which is 10
x is the questions taken out to be which is 5
p is the probability of right answers which is :
q is the probability of the false answers which is :
We will use the model by substituting the values we get:
on substituting the values we get:
Cancel out the common terms from numerator and denominator we get:
Answer: A: 2 and C: 4
Step-by-step explanation:
supplementary angles form a straight line adding up to 180 degree angles