First add the two numbers together 35 and 55 you will than get 90 take that and divide it by the number 18
ANSWER
90÷18=5
Answer:31/28
Step-by-step explanation:
Necessary and sufficient conditions for application of binomial distribution :
1. trial must be Bernoulli, i.e. exactly two outcomes (defective or not defective)
2. number of trails is known and not dependent on outcomes (2).
3. probability of each trial must be known and is constant throughout trials (3/10, with replacement)
4. all trials are random and independent of each other.