Answer:
---- At least 5 from marketing departments are extroverts
---- All from marketing departments are extroverts
---------- None from computer programmers are introverts
Step-by-step explanation:
See comment for complete question
The question is an illustration of binomial probability where
--- marketing personnel
--- proportion that are extroverts
Using the complement rule, we have:
So, we have:
So, we have:
Recall that:
--- approximated
--- marketing personnel
--- proportion that are extroverts
So, we have:
---------- computer programmers
--- proportion that are introverts
So, we have:
Answer:
This is not a right triangle(No)
Step-by-step explanation:
X- 6/4=7
x-6=7×4
x-6=28
x=28-6
x=22
Answer: N=800/5
N=160
He needs to save $160 every week to get $800 in 5 weeks
hope this helps.