A recent Pew Center Research survey revealed that 15% of American adults have used an online dating

Question:

A recent Pew Center Research survey revealed that 15% of American adults have used an online dating service. Suppose a statistician randomly selected 20 American adults.

a. What is the probability that exactly 3 used an online dating service?

b. What is the probability that 5 or fewer used an online dating service?

c. What is the probability that 3 or more used an online dating service?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Statistics For Management And Economics

ISBN: 9781337093453

11th Edition

Authors: Gerald Keller

See More Books

Question Posted: May 22, 2018 07:44 AM

A recent Pew Research survey reported that 48% of 18-to 29-year-olds in the United States own tablets. (Data extracted from Tablet and E- Reader Ownership, bit. ly/ 1gEwogC). Using the binomial...
USA Today (Feb. 17, 2011) described a survey of 1,008 American adults. One question on the survey asked people if they had ever sent a love letter using e-mail. Suppose that this survey used a random...
The percentages of American adults who have earned an annual salary over $200,000 at least once in their lives are shown in Table 14 for various years. Let p be the percentage of American adults at...
Compare to traditional organizational development approaches. To get back on track and find a way to function more smoothly, should this taskforce use an Appreciative Inquiry approach or a more...
What volatility smile is likely to be caused by jumps in the underlying asset price? Is the pattern likely to be more pronounced for a two-year option than for a three-month option?
Why would a firm find information regarding the shadow price of a resource useful?
The following stacked time traces from four separate motors identify one as experiencing impacts in the ball bearing. What is the separation in the impacts in this time waveform? Acceleration in G-s...
You are considering an investment in two projects, A and B. Both projects will cost $100,000, and the projected cash flows are as follows: a. Assuming that the WACC is 8%, calculate the payback...
A 3500-pFp Fair-gap capacitor is connected to a 30-V battery. If a piece of mica (K= 7) is placed between the plates, how much charge will flow from the battery? Express your answer using one...
ExcelGo Bhd is a construction and property development company listed on the Main Board of Bursa Malaysia. The company operates in central area of Penang. The company closes its account on every 31...
An airline boasts that 77.4% of its flights were on time. If we select five flights at random, what is the probability that all five are on time?
In a Gallup poll 20% of adults said that they had a great deal or quite a lot of confidence in newspapers. If we take a random sample of 25 adults and ask each whether they had a great deal or quite...
If you were a corporate executive, how could you measure the effectiveness of Rovios use of social media?
Can someone help me understand how to do a journal analysis on this statement Please
The administration's goals and objectives can be divided into functional categories like public safety, transportation, the environment, social services, etc. to establish a programme budget...
a Word document where you answer the following premises (use the questions as a guide for your written work): 1. What is budgeting? 2. How does budgeting help in decision making? 3. What are the main...
Suppose a major storm takes the pipeline for gasoline "offline" for a short period of time. During that time, the price of gasoline sold increased 30%. Some will label this as "price gouging". Using...
1. Who is required to prepare consolidation accounts? 2. When is the preparation of consolidated accounts not required? 3. When would goodwill on consolidation be considered impaired?
Solve the equation using the square root property. x 2 = 400
The Strahler Stream Order System ranks streams based on the number of tributaries that have merged. It is a top-down system where rivers of the first order are the headwaters (aka outermost...
Refer to Exercise 16.10. Predict with 95% confidence the number of sick days for individuals who smoke on average 40 cigarettes per day.
Refer to Exercise 16.11. a. Predict with 95% confidence the percentage loss due to fire for a house that is 8 miles away from the nearest fire station. b. Estimate with 95% confidence the average...
Refer to Exercise 16.12. Estimate with 95% confidence the mean price of 60,000 sq.ft. apartment buildings.
Janice will need to pay $200 at the end of every month for the next 12 months, except for the payment of the 8th month. What is the present value, assuming a rate of 4%, compounded quarterly?
List and explain two management tools in the planning process and two measurable performance indicators. Explain in detail.
What does a high PE tell us about the value of the stock price (over or under valued)? What does a low PE tell us about the value of the stock price (over or under valued)? Be specific with your...

A recent Pew Center Research survey revealed that 15% of American adults have used an online dating

Question:

Step by Step Answer:

Binomial with n 20 ...View the full answer

Statistics For Management And Economics

Students also viewed these Mathematics questions