Answer:
Mean = 0.2(100) = 20
Variance = 0.2×0.8×100 = 16
Standard deviation = 4
Yes, np > 5 & nq > 5
Do Pemdas
P:Parenthesis
E:Exponent
M:Multiplication
D:Divide
A:Addition
S:Subtraction
Answer:
-1
Step-by-step explanation:
You have to use simultaneous linear equation as there are 2 equations given
use the subtitution method as what I've shown above
Hope you can understand well
Stay safe!
Answer:
(50,55,60,....)
Step-by-step explanation:
Given that a health insurance plan has a $50 enrollment fee and a copayment of $5 for each doctor visit.
The function f(x) = 5x + 50 gives the cost of x doctor visits
Here x is the no of visits.
No of visits is an independent variable while f(x) total cost is a dependent variable on x
slope = 5 which indicates for each visit extra, extra cost is 5 dollars
Enrollment fee = 50 = fixed cost
Hence domain would be
x =0,1,2,3.....
So range is
(50,55,60,....)
Cosα=x/L
x=Lcosα, we are told the ladder is 10ft and α=42.5 so
x=10cos42.5° ft
x≈7.37 ft (to nearest hundredth of a foot)
