It’s open circle and a line pointed left so less than of equal to 75?
Answer: 0.0473
Step-by-step explanation:
Given : The proportion of gambling addicts : p=0.30
Let x be the binomial variable that represents the number of persons are gambling addicts.
with parameter p=0.30 , n= 10
Using Binomial formula ,
The required probability =
Hence, the required probability = 0.0473
The answer is 12 and -7.
12 * -7 = 84
12 + -7 = 5