Answer:
x = 3
Step-by-step explanation:
5x - 1 = 3x +5
-3x
2x - 1 = 5
+1
2x = 6
devide by x
x = 3
Answer: 0.68
Step-by-step explanation:
given data:
ABC market share = 30%
number of customers surveyed = 800
probability that more than 32% prefers ABC
Solution:
32% of 800
= 256 persons
p ( x ≥ 256 )
= 1 - ( 256/800 )
= 1 - 0.32
= 0.68
the probabiliy that more than 32% of those who carried out the survey would prefer ABC brand is 0.68.
Answer:
x = 6
Step-by-step explanation: