What percent of 9.2 m is 2.5
2 answers:
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Answer:
0.3844 = 38.44% probability that two independently surveyed voters would both be Democrats
Step-by-step explanation:
For each voter, there are only two possible outcomes. Either the voter is a Democrat, or he is not. The probability of the voter being a Democrat is independent of other voters. So we use the binomial probability distribution to solve this question.
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.
62% of the voters are Democrats
This means that
(a) What is the probability that two independently surveyed voters would both be Democrats?
This is P(X = 2) when n = 2. So
0.3844 = 38.44% probability that two independently surveyed voters would both be Democrats
Answer:
<h2> StartFraction 7 over 10 EndFraction x + 2 and one-half y + 6</h2>Step-by-step explanation:
Given the expression
To simplify the expression, we need to first collect the like terms of the functions in parentheses as shown;
Then we find the LCM of the resulting function
The final expression gives the required answer