In a test of ESP (extrasensory perception), Professor Bready looks at cards that are hidden from the subject. Each card contains one of four figures: a star, a circle, a wavy line, or a square. She looks at each of 100 cards in turn, and the subject tries to read her mind and name the shape on each card. Which of the following is closest to the probability that the subject gets more than 30 correct if the subject does not have ESP and is just guessing? a. 0.3121 b. 0.2483 c. 0.1241 d. 0.0427 e. < 0.001

Q: The probability of choosing a caramel from a certain bag of candy is 1/5 and the probability of…

A:

Q: Question 3: In 2014, 78.9% of US households spoke only English at home. What is the probability that…

A: Disclaimer: Since you have asked multiple questions, we will solve the first question for you. If…

Q: In one study, researchers at a clinic looked at more than 120,000 patients enrolled in 14…

A: Given Information:  Researchers at a clinic looked at more than 120,000 patients enrolled in 14…

Q: In a recent study, 29% of people surveyed indicate chocolate was their favorite flavor of ice cream.…

A:

Q: uestion 7:  an insurance company has the following data on its customers: 75% of customers insure…

A: Given data,P(Customer insures one car)=75%=0.75P(Customer insures a motor cycle)=15%=0.15P(Customer…

Q: the age of Subject #101 is 71. Divide that age by 10 and put a % on it.  That is the probability of…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: A survey on campus revealed that 77% of the students felt that a new attendance policy was unfair.…

A: Given that the probability that the students felt that a new attendance policy was unfair is = 77%…

Q: In one town, 52% of all voters are Republicans. If two voters are randomly selected for a survey,…

A:

Q: A test was given to a group of students. The grades and gender are summarized below A B C Total Male…

A:

Q: A restaurant owner wants to determine the probability of running out of ingredients for their most…

A:

Q: A traditional test for extrasensory perception (ESP) involves a set of playing cards, each of which…

A:

Q: The probability that a can of paint contains contamination is 3.23% and the probability of a mixing…

A: Concept of General Addition Rule: For any two events A and B the General Addition Rule states that:

Q: University degree requirements typically are different for Bachelor of Science degrees and Bachelor…

A: Given values, P(Science) = 0.3 P(Arts) = 0.6 P(no) = 0.2 P(Arts &amp; Science) = 0.1 To find: P(Arts…

Q: When women turn 40, their gynecologists typically remind them that it is time to undergo mammography…

A:

Q: In a survey of 500 individuals, it was found that 60% of them prefer tea over coffee. Of those who…

A: Answer: To find the probability, we need to calculate the proportion of individuals who prefer tea…

Q: In a survey of consumers aged 12 and​ older, respondents were asked how many cell phones were in use…

A: Given: Number of respondents answered none = 208 Number of respondents answered one = 295 Number of…

Q: Suppose you manage the demand for a towing company in Little Rock. On a usual day your company gets…

A:

Q: The managers of a corporation were surveyed to determine the background that leads to a successful…

A:

Q: For a story she is writing in her high school newspaper, Grace surveys moviegoers selected at random…

A: There are two categorical variables which are rating and age. Rating has 2 types which are thumbs up…

Q: For the experiment of rolling an ordinary pair of dice, find the probability that the sum will be…

A: Here is the table of outcomes of 2 dice

Q: In a survey of consumers aged 12 and​ older, respondents were asked how many cell phones were in use…

A:

Q: Donald is watching an old game show rerun on television called Let’s Make a Deal in which the…

A: Given data Gag prize = $120 World trip = $8100 Probability of choosing a gag price = 0.75 x…

Q: About 10​% of the population of a large country is nervous around strangers. If two people are…

A: The probability that a randomly selected people is nervous around strangers is 0.10. The probability…

Q: what is the probability all three would be smokers?

A: Let , X be the number of smokers Here , X→B(n=3 , p=0.20) The probability mass function of X is ,…

Q: According to a report in Parade magazine, a nationwide survey conducted by the University of…

A: We have given that Probability (p)  = 0.70  Number of samples(n) = 12 Here we will use binomial…

Q: The table below shows the preferred mode of transportation for individuals in town A by age group.If…

A: According to the provided information, the total mode of transportation is (751 + 756  + 315 = 1822)

Q: In the fall of 2003, a magazine article reported that about 87% of adults drink milk. A local dairy…

A: Let X be the random variable for the number of people who said that they drink milk. The population…

Q: Hank spins the spinner shown in the diagram 30 times. His results are as follows: Yellow: 4 Blue: 7…

A: The objective of this question is to find the experimental probability of landing on green when Hank…

Q: A marketing company has randomly surveyed 205 men who watch professional sports. The men were…

A: A marketing company has randomly surveyed 205 men who watch professional sports. The men were…

Q: The accompanying table describes results from eight offspring peas. The random variable x represents…

A: Discrete probability distribution table helps an analyst to determine probabilities corresponding to…

Q: The research department of a board game company surveyed some shoppers at a local mall. The team…

A: From the provided information,   0 times a week 1-2 times a week Total 1-3 cards 5…

Q: You have just talked to a randomly selected person who was wearing a red shirt, but forgot to ask…

A:

Q: d. Determine the probability that a randomly selected customer was a man who rated his stay as Good.…

A: It is given that a hotel asked its customers to rate their stays as​ Excellent, Good,​ Fair, or…

Q: English Faculty 8 - 7 6 5 4 1

A: In the graphical representation of the diagram to find the distribution, we use the histogram. In…

Q: Approximately 18% of shoppers used cellphones to look for deals. THe probability of making a…

A: From the given information ,P ( cellphones) = 18% = 0.180.45