Binomial mean and standard deviation formulas. P probability of success in a single trial. You will have to do some manipulations to find the chart value.
The participant wants to calculate the probability of this occurring and therefore they use the calculation for the binomial distribution.
You will have to do some manipulations to find the chart value. P X nCx px qn x. 20 - 6. 10 C 4 1 6 4 1 1 6 10 4 Simplify.