Answer:
3n and n, 7 and -3
Step-by-step explanation:
Like terms are those that can be added or subtracted, so variables are like terms and numbers (constants)
The answers is A !! No problem
Answer:
a)
b)
c)
Step-by-step explanation:
The geometric distribution represents "the number of failures before you get a success in a series of Bernoulli trials. This discrete probability distribution is represented by the probability density function:"
Let X the random variable that measures the number os trials until the first success, we know that X follows this distribution:
Part a
For this case we want this probability
Part b
For this case we want this probability:
If we find the individual probabilities we got:
And replacing we have:
Part c
For this case at least 4 trials means that the random variable X needs to be 4 or more
And we found already the probabilities P(X=1),P(X=2) and P(X=3) so we just need to replace:
Area of a circle formula: A = Pi x r^2
A = 3.14 x 6^2
A = 113.04 m^2