The number of cell phone minutes used

Reference no: EM13266680

The number of cell phone minutes used by high school seniors follows a normal distribution with a mean of 500 and a standard deviation of 50. What is the probability that a student uses fewer than 400 minutes?

a. 0 b. 0.023 c. 0.159 d. 0.977 e. none of the above.

show work please

Reference no: EM13266680

Questions Cloud

Describe the various stakeholders in u.s. health care system : Describe the various stakeholders in the U.S. health care system. Choose one of these stakeholders and describe their role, concerns, interests, as well as the strengths and weaknesses of their influence in the system.

Copy of your medical records : Think of attempting to get a copy of your medical records. Be able to discuss how this goes for you. You may want to arm yourself with some HIPAA knowledge before you start this process.

Number of tabloid magazines and elsewhere using illegal drug : Supermodel Kate Moss appeared in photos in a number of tabloid magazines and elsewhere using illegal drugs. Subsequent to the appearance of the photographs, several of her clients, including Chanel, H&M, and Burberry, canceled their contracts (some o..

Explain the healthcare triangle : Explain the Healthcare Triangle and how it impacts HIT in about four to five sentences

The number of cell phone minutes used : The number of cell phone minutes used by high school seniors follows a normal distribution with a mean of 500 and a standard deviation of 50. What is the probability that a student uses fewer than 400 minutes?

Gangs in society : Discuss the fundamental way in which peer groups influence adolescent behavior and delinquency. Identify the main reasons why youths choose to join gang and, predict the overall impact of gang delinquency to society.

What are four concepts from paradigms and principles : What are four concepts from "Paradigms and Principles" and four concepts from Habit 1 in Stephen Covey's 7 Habits of Highly Effective People?

Dominant group places blame for disadvantage : The dominant group places the blame for disadvantage on the disadvantaged, based on assumptions about group characteristics such as lack of motivation, cultural preferences, or other victim-blaming ideas.

The expected value of a probability distribution : The expected value of a probability distribution is:

User Account

All Pages