Answer:
-3/2
Step-by-step explanation:
Answer:
- 2, 0 or 4
Step-by-step explanation:
y = x(x - 4)(x + 2)
x' = 0
x - 4 = 0
x" = 4
x + 2 = 0
x"' = - 2
I hope I helped you.
Answer:
-8
Step-by-step explanation:
Answer: 0.9617
Step-by-step explanation:
Given : The proportion of adults use their phones in meetings or classes : p=0.57
Number of adults randomly selected : n= 9
Let x be the random variable that represents the number of adults use their phones in meetings or classes.
By using binomial probability formula, to find the probability of getting success in x trials.

The probability that at least 3 of them use their smartphones in meetings or classes will be :-

Hence, the required probability is 0.9617 .