Question

In: Statistics and Probability

1. A friend of yours claims to be psychic. You are skeptical. To test this you...

1. A friend of yours claims to be psychic. You are skeptical. To test this you take a stack of 100 playing cards and have your friend try to identify the suit (hearts, diamonds, clubs, or spades), without looking, of course!

  1. State the null hypothesis for your experiment.

b. State the alternative hypothesis.

2. Suppose your psychic friend correctly identified more than 25% of the cards.

  1. A hypothesis test gave a P-value of 0.014. What do you conclude?

b. What would you conclude if the P-value had been 0.245?

Solutions

Expert Solution


Related Solutions

You are watching TV with a friend of yours, who was not lucky enough to go...
You are watching TV with a friend of yours, who was not lucky enough to go to business school and take a course on marketing research. On TV, a journalist explains that, according to the latest poll, “pollsters are confident at 95% that 64% (+ or – 3%) of the French voters would vote for Mr. Biden and 36% (+ or – 3%) for Mr. Trump, if the presidential elections were held today”. The journalist adds that those results are...
A friend of yours asks: "I hear that you are taking a marketing and sales class."...
A friend of yours asks: "I hear that you are taking a marketing and sales class." Your friend appears very interested and inquisitive about marketing and sales, and proceeds to ask you several questions. How would you respond to the questions your friend is asking? 1) What is marketing? 2) What is sales? 3) Why would one study marketing and sales? PLEASE MAKE COPY PASTE AVAILABLE MUST BE 250 WORDS
Let’s imagine a good friend of yours started a restaurant and wants you to invest a...
Let’s imagine a good friend of yours started a restaurant and wants you to invest a significant amount of money in his/her business. 1. Which financial statement(s) that were introduced in Chapter 1 Accounting and the Business Environment would be relevant to your decision making and why? 2.You are also given a chance to ask his/her accountant three questions to help you make the decision. What would you ask and why?
Python A good friend of yours sent you a long list of recipe names in a...
Python A good friend of yours sent you a long list of recipe names in a text file (where each line is a recipe that also includes information about how long it takes to do the recipe). You only want to know about the recipes that involve chocolate and are fast (i.e., take 15 mins or less to prepare). Write the program for this! Write a program to -       + Find recipes that involve chocolate that can be done...
a. Define worms and spyware b. Do you think that if a close friend of yours...
a. Define worms and spyware b. Do you think that if a close friend of yours posts a photo with you on Facebook, that may compromise your privacy? Why or why not? c. Why would you want to keep your cookies? And why would you want to delete it?
1) A friend of yours suggests that at least 10% of people at your university have...
1) A friend of yours suggests that at least 10% of people at your university have had something stolen from them on campus in the past year. This is your population value. You take a random sample of 100 people in you classes to determine if your friend is correct, you think that they may be wrong. You find that 15% of them have had something stolen. Would you have a one or two tailed test? Two Tailed One tailed...
A psychic claims to be able to predict the outcome of coin flips before they happen....
A psychic claims to be able to predict the outcome of coin flips before they happen. Someone who guesses randomly will predict about half of coin flips correctly. In 100 flips, the psychic correctly predicts 57 flips. Do the results of this test indicate that the psychic does better than random guessing? The hypotheses are Ho:p=0.50 Ha:p>50 where p is the proportion of correct coin flip predictions by the psychic. 1. Give the test statistic for this problem. Group of...
1. A good friend of yours is asking you whether she/he should undergo psychoanalysis or client-centered...
1. A good friend of yours is asking you whether she/he should undergo psychoanalysis or client-centered therapy. Which factors would you consider before answering her/him, and what would be your final recommendation based on these factors? Please write in-depth as much as you can and answer each part of the question. Please answer this question by your thinking rather than copying the whole from the material you already post. Thus, make the answer by your own knowledge if you have...
1. A good friend of yours is asking you whether she/he should undergo psychoanalysis or client-centered...
1. A good friend of yours is asking you whether she/he should undergo psychoanalysis or client-centered therapy. Which factors would you consider before answering her/him, and what would be your final recommendation based on these factors? (write 400 words and as you are writing and what would suggest so answer properly) Please answer this question by your thinking rather than copying the whole from the material you already post. Thus, make the answer by your own knowledge if you have...
You are being tested for psychic powers. Suppose that you do not have psychic powers. A...
You are being tested for psychic powers. Suppose that you do not have psychic powers. A standard deck of cards is shuffled, and the cards are dealt face down one by one. Just after each card is dealt, you name any card (as your prediction). Let X be the number of cards you predict correctly. (See Diaconis (1978) for much more about the statistics of testing for psychic powers.) (a) Suppose that you get no feedback about your predictions. Show...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT