Question

Again suppose 20% of OSU students watch reality TV shows of some kind every week. Now...

  1. Again suppose 20% of OSU students watch reality TV shows of some kind every week. Now 100 OSU students are selected at random and asked if they watch reality TV of some kind each week. X = number in the sample who watch reality TV of some kind each week.
    1. Find the mean and SD of X.
    2. Justify that X has an approximate normal distribution.
    3. Use the normal approximation to find the probability that at least 27 of the students in the sample say yes.
    4. Explain why being able to use the normal approximation for the previous question is a GOOD THING. (What would you have to do otherwise?)

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Suppose 20% of OSU students watch reality TV shows of some kind every week. Ten OSU...
Suppose 20% of OSU students watch reality TV shows of some kind every week. Ten OSU students are selected at random and asked if they watch reality TV of some kind each week. You want the probability that at least 4 of them say yes. What does X represent in this problem? Show BRIEFLY that X has a binomial distribution. Find the probability that at least 4 of the students say yes. Could a person use the normal approximation to...
1.A weekend TV game show called rolling a dice is running each week. For each roll,...
1.A weekend TV game show called rolling a dice is running each week. For each roll, if the dice shows an odd number the participate earns 5 dollars and otherwise, he gets nothing. Each participate can roll the dice 20 times. Let X denote the number times the dice shows an odd number. a) (2 mark) Calculate the average earning of a participate. b) Calculate the probability that ? ⩽ 2 (show your final answer correct to four decimal places)....
1) Describe an example of each of the following that may be found of your kitchen:...
1) Describe an example of each of the following that may be found of your kitchen: Explain how your choice falls into this category, and if there is a chemical name or symbol for it, provide that as well. Provide a photo of your example with your ID card in it. a) a compound b) a heterogeneous mixture c) an element (symbol) Moving to the Caves… Lechuguilla Caves specifically. Check out this picture of crystals of gypsum left behind in...
In narrative essay format, I want you to address a business/organization case study using multiple concepts...
In narrative essay format, I want you to address a business/organization case study using multiple concepts from class. The case question and case text begin on page 5 of this document. You need to demonstrate their best understanding of management and organizational behavior theory, and the application of those ideas to improve the understanding of various issues. You need to clearly identify at least 3 distinct, substantive issues. For each issue you need to 1), identify evidence from the case...
In February 2012, the Pepsi Next product was launched into the US market. This case study...
In February 2012, the Pepsi Next product was launched into the US market. This case study provides students with an interesting insight into PepsiCo’s new product process and some of the challenging decisions that they faced along the way. Pepsi Next Case Study Introduction Pepsi Next was launched by PepsiCo into the US market in February 2012, and has since been rolled out to various international markets (for instance, it was launched in Australia in September 2012). The new product...
What tools could AA leaders have used to increase their awareness of internal and external issues?...
What tools could AA leaders have used to increase their awareness of internal and external issues? ???ALASKA AIRLINES: NAVIGATING CHANGE In the autumn of 2007, Alaska Airlines executives adjourned at the end of a long and stressful day in the midst of a multi-day strategic planning session. Most headed outside to relax, unwind and enjoy a bonfire on the shore of Semiahmoo Spit, outside the meeting venue in Blaine, a seaport town in northwest Washington state. Meanwhile, several members of...