Answer:
The probability that there are 2 or more fraudulent online retail orders in the sample is 0.483.
Step-by-step explanation:
We can model this with a binomial random variable, with sample size n=20 and probability of success p=0.08.
The probability of k online retail orders that turn out to be fraudulent in the sample is:
We have to calculate the probability that 2 or more online retail orders that turn out to be fraudulent. This can be calculated as:
The probability that there are 2 or more fraudulent online retail orders in the sample is 0.483.
Assuming that's a 40 minutes a lesson the minutes the tennis teacher teaches in a week is 800 minutes
Answer:D 2 1/7
Step-by-step explanation: you can put 7 into 15 two times and that gives you 2 holes and you then have 1/7 leftover therefore you have 2 1/7.
Answer:
Step-by-step explanation:
2 yellow balls
1 red ball
3 green balls
So in total there are 6 balls all together
1) 2/6 = 1/3
2) 1/6
3) 3/6 = 1/2
4) 3+1 = 4 4/6 = 2/3