Answer:
The fruit company’s expected returns are 10.8%
Step-by-step explanation:
The expected returns of the fruit company is given by
For the given case,
Returns in normal rainfall = x₁ = 20% = 0.20
Returns in drought = x₂ = -3% = -0.03
Probability of normal rainfall = P(x₁) = 60% = 0.60
Probability of drought = P(x₂) = 40% = 0.40
So, the expected value of returns is
Therefore, the fruit company’s expected returns are 10.8%
Answer:
An equation that makes a straight line when it is graphed. Often written in the form y = mx+b. Equation of a Straight Line
Step-by-step explanation:
Answer:
Step-by-step explanation:
Assuming a normal distribution for the distribution of the points scored by students in the exam, the formula for normal distribution is expressed as
z = (x - u)/s
Where
x = points scored by students
u = mean score
s = standard deviation
From the information given,
u = 70 points
s = 10.
We want to find the probability of students scored between 40 points and 100 points. It is expressed as
P(40 lesser than x lesser than or equal to 100)
For x = 40,
z = (40 - 70)/10 =-3.0
Looking at the normal distribution table, the corresponding z score is 0.0135
For x = 100,
z = (100 - 70)/10 =3.0
Looking at the normal distribution table, the corresponding z score is 0.99865
P(40 lesser than x lesser than or equal to 100) = 0.99865 - 0.0135 = 0.98515
The percentage of students scored between 40 points and 100 points will be 0.986 × 100 = 98.4%
Answer:
9. representative because she samples a small group of people to gather representative data for a larger group
10. biased because hes asking people their favorite (opinionated word) sport at a sports game. people at that game most likely are there because it is their favorite
11. 9 students
12. median = 11
