subject
Mathematics, 24.09.2019 17:30 kony345p

The a. p. statistics exam consists of a multiple-choice section where each question has five choices. sara estimates that she has a 75% chance of knowing each question. if she does not know the answer, she will randomly guess.
a) what is the probability of sara getting a question correct?
b) the a. p. exam has 40 questions, how many might sara expect to get correct?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 15:30
Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11
Answers: 3
question
Mathematics, 21.06.2019 20:30
If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.
Answers: 1
question
Mathematics, 21.06.2019 22:00
The figure shows the front side of a metal desk in the shape of a trapezoid. what is the area of this trapezoid? 10 ft²16 ft²32 ft²61 ft²
Answers: 2
question
Mathematics, 21.06.2019 22:00
What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)
Answers: 1
You know the right answer?
The a. p. statistics exam consists of a multiple-choice section where each question has five choices...
Questions
question
Mathematics, 31.07.2019 14:00
Questions on the website: 13722360