Answer:
She forgot about the negative sign in front of the 3.7, therefore, she added 3.7 to -3.3 which is equals to 0.4
Answer:
Step-by-step explanation:
Answer:
c
Step-by-step explanation:
Answer:
Diameter = 14 cm
Circumference = 44 cm
Step-by-step explanation:
- Area of circle = πr²
- Diameter = 2r
- Circumference = 2πr = πd
- π ≈ 3.142
Answer:
0.11% probability that you must ask 20 people to find one person without a social networking site
Step-by-step explanation:
We have these following probabilities:
75% probability that a millenial has a profile in a social netwok site.
25% probability that a millenial does not have a profile in a social network site.
What is the probability that you must ask 20 people to find one person without a social networking site?
The first 19 people have a social network site, each with a 75% probability.
The 20th person does not have a profile, with a 25% probability.
So
0.11% probability that you must ask 20 people to find one person without a social networking site