Tag Archives: Probability
Probability Problem: Cards?
In a test of ESP (extrasensory perception), the experimenter looks at cards that are hidden from the subject. Each card contains either a star, a circle, a wavy line, or a square. An experimenter looks at each of 100 cards in turn, and the subject tries to read the experimenter’s mind and name the shape [...]
Posted in Questions Also tagged Answer, Cards, E.S.P., esp extrasensory perception, experimenter, Problem, strange answer, wavy line 1 Comment
Please Help Stuck On 2 Math Problems?
I have 2 questions that i am stumped on can someone please help me
1)Single family homes are found to be normally distributed with a mean of 1050 KWH and a standard deviation of 218 KWH. For a randomly selected home, find the probability that energy consumption level is between 1100 Kwh and 1225 Kwh
2)Coin is [...]
Posted in Questions Also tagged consumption level, energy consumption, Help, KWH, Math, Please, Problems, someone, Stuck 2 Comments
Probability?
In a test for ESP (extrasensory perception), the experimenter looks at cards that are hidden from the subject. Each card contains either a star, a circle, a wave, or a square. As the experimenter looks at each of 20 cards in turn, th subject namesthe shape on the card.
(1) If a subject simply guesses the [...]
Posted in Questions Also tagged binomial distribution, card, esp extrasensory perception, experimenter, subject 1 Comment
Probability. Please Help?
1.) A man claims to have extrasensory perception. As a test, a fair coin is flipped 28 times, and the man is asked to predict the outcome in advance. He gets 22 out of 28 correct. What is the probability that he would have done at least this well if he had no ESP?
2.)A quiz [...]
Posted in Questions Also tagged ExtraSensory, Help, man, multiple choice questions, passing grade, Please, random guesses 1 Comment
Use the normal distribution to approximate the desired probability?