Answer:
Step-by-step explanation:
x=30
m=abe=180
Answer:
8.6
Step-by-step explanation:
You need to use the Patagorean theorem! :) Just do seven squared and five squared add them up and then square root them!!
10.36 and you will get 19.30
Answer: 0.0475
Step-by-step explanation:
Given : A firm’s marketing manager believes that total sales X can be modeled using a normal distribution.
Where , Population mean : 
Standard deviation : 
To find : Probability that the firm’s sales will exceed $3 million i.e. $ 3,000,000.
∵ 
Then , for x= 3,000,000

Then , the probability that the firm’s sales will exceed $3 million is given by :-

Hence, the probability that the firm’s sales will exceed $3 million = 0.0475