Answer:
A binomial probability density function should be used because the question asks for determining the probability that exactly 10 students wear glasses.
Step-by-step explanation:
A binomial probability density function is used when we want to know the probability of an exact value.
A cumulative distribution function is used when we want to know the probability of less than or equal to a value.
3.625/15
This is the answer
Answer:
The probability is 0.47.
Step-by-step explanation:
Given,
Total number of people who walked by his store = 128,
Out of these people the number of people who came into the store = 60,
Hence, the probability that a person who walks by the store will enter the store




Answer:
48 miles per hour
Step-by-step explanation:
Distance = 264 miles
Time = 5.5 hours
Speed = x
Formula for speed --> Speed = Distance/Time
Speed = 264miles/5.5hours
Speed is = 48 miles/hr