Answer:
22.5
Step-by-step explanation:
Answer:
1/4
Step-by-step explanation:
half of a half is a fourth.
In this case, the total number of questions in the test is 50. The possible outcome for the question would be answered wrong, answered correctly or not answered. To know the amount of the correct answer, you need to multiply the incorrect with correct/incorrect ratio. The equation would be:
correct answer: 9 answer * 7/3= 21 answer.
Then for this test misty has:
9 incorrect answer
21 correct answer
20 blank/ not answered
Answer:
three out of 10
Step-by-step explanation:
If the first ball drawn is purple, there will be eight purple balls left in the bag. Therefore, the probability the second ball will be purple is three out of 10.
<h3>
Answer: 0.30</h3>
Explanation:
Add up the probability values that correspond to x = -3 or smaller.
We'll add up the probability values corresponding to P(-3) and P(-5)
0.13+0.17 = 0.30