Select the equation which graphs to a line with a slope of 7
1 answer:
Answer:
Option c is correct.
Equation with slope of 7 is;
Step-by-step explanation:
The Equation of line is in the form of :
.....[1]
where
m represents the slope of the line.
x represents the variable.
Given : The slope of a line is 7
m = 7
substitute the value of m =7 in [1];
Therefore, the equation of line which graphs to a line with a slope of 7 is, y =7x
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Answer:
66.76% probability that the levee will NEVER fail in the next 20 years.
Step-by-step explanation:
For each year, there are only two possible outcomes. Either a levee fails during the year, or no levees fail. In each year, the probabilities of levees failing are independent from each other. So we use the binomial probability distribution to solve this problem.
Binomial probability distribution
The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.
In which is the number of different combinations of x objects from a set of n elements, given by the following formula.
And p is the probability of X happening.
In this problem we have that:
A levee was designed to protect against floods with an annual exceedance probability of 0.02. This means that
What is the risk that the levee will NEVER fail in the next 20 years?
This is when
. So
66.76% probability that the levee will NEVER fail in the next 20 years.