Assuming this is a binomial distribution, P(x=15) = 0.0416
Answer:
Lower quartile: 85; median: 97; upper quartile 115.5
Step-by-step explanation:
Answer:
x = - 1
Step-by-step explanation:
Given
- 4(3x - 7) = 40 ( divide both sides by - 4 )
3x - 7 = - 10 ( add 7 to both sides )
3x = - 3 ( divide both sides by 3 )
x = - 1