Answer:
$30
Step-by-step explanation:
cost of tip is represented by 25 multiplied by 0.2:
25*0.2=5
add onto original price:
25+5=30
good luck :)
Answer: 0.9147
Step-by-step explanation:
Step-by-step explanation:
Given : A manufacturer knows that their items have a normally distributed lifespan with
Let x be the random variable that represents the lifespan of items.
z-score :
For x= 9
Now by standard normal distribution table, the probability it will last longer than 9 years will be :-
Hence, the probability it will last longer than 9 years = 0.9147
Answer:W
Step-by-step explanation:
Got it right
The answer should be (x-7) (x+1)