A random sample of 100 people was taken. Eighty of the people in the sample favored Candidate A. We are interested in determinin
1 answer:
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Answer:
Step-by-step explanation:
We want to solve for x in
You need to group and combine like terms and write in standard form:
By comparing to , we a=1,b=-2 and c=-46
The solution can be obtained using the quadratic formula.
We substitute the coefficients to get:
The last choice is correct
Answer: c.
Step-by-step explanation:
Notation to show "not an event E" :
Given: I = the event that a player in an infielder.
H = the event that a player is a great hitter.
= the event that a player is not a great hitter.
The correct symbol for the probability that a player is an infielder or is not a great hitter :
hence, the correct option is c.