Question

Use the following to answer Question 9-10.The Lightning Bolt Electric Car company claims their new car “The Buzzer” can travel on average 170 miles on one charge (𝜇 = 170 𝑚𝑖𝑙𝑒𝑠). It is known that the population distribution associated with the distance per charge in normally distributed with standard deviation of 30 miles.
9. Approximately, what is the percentage of cars that travelled between 170 and 260 miles on average?
a. 95%
b. 47.5%
c. 49.85%
d. 68%

Answer 1

@mathmale

Answer 2

How do you know which method to use? I don't think this is binomial or poisson. Is it normal?

Answer 3

@Data_LG2

Answer 4

@mathmath333