Answer:
Step-by-step explanation:
Given : P(A)=0.60 and P(B)=0.30
We will say A and B are independent events if :
Thus , A and B are independent events if :
Answer:
81, 27, 48, 77
Step-by-step explanation:
Answer:
The percent is 75%
The amount is 45
The base is 60
Step-by-step explanation:
1) Set up the equation:
60x=45
2) Divide both sides by 60:
x=45/60
3) Simplify the fraction:
x=0.75
4) Write the decimal as a percent:
75%
Answer:
500 grams is 20 percent of 2.5 kg
Step-by-step explanation:
500*100 = 50,000
50,000/2500=20
Answer:
The probability of picking exactly 4 of the 6 numbers correctly is
Step-by-step explanation:
As order is unimportant, we have to calculate the different outcomes with combinations formula:
The total outcomes of picking exactly 4 of the 6 numbers is:
The probability of picking exactly 4 of the 6 numbers correctly is given by:
Total outcomes by picking 6 numbers from 1 to 42: 5245786
P(4 of the 6 numbers are correct)=