26. If a true-false test with 10 questions is given, what is the probability of scoring (A) Exactly 70% just by guessing? (B) 70% or better just by guessing?

Q: How likely is it that she will not get the majority of the​ vote, that​ is, a sample proportion of​…

A: Given:-           a sample proportion of​ 50% or lower from the 100 votes​ cast  P = 0.50

Q: bag contains many hats of several colors 100 John's I made from this without replacement. suppose…

A: Given that ;  μ = 40 ? = 5 n = 100 By using standard normal distribution we solve this problem.

Q: What is the probability that the random 3 digit number would be even?

A: 3 digit number  P(the number is even) = ?

Q: One coin is flipped and then one die is rolled. What is the probability of getting a head on the…

A: It is required to find the probability of getting a head on the coin, and an odd number on the die,…

Q: Your friend missed class the day probability distributions werediscussed. How would you explain…

A: Probability Distribution : A probability distribution is simply a list of all possible outcomes and…

Q: How do your empirical results from 10 times compare to the theoretical probability? Frequency table…

A: Given that the coin is tossed 10 times. The outcomes for tossing coin is head and tail. The…

Q: In this exercise, a two-way table is shown for two groups, 1 and 2, and two possible outcomes, A and…

A:

Q: (c)What is the probability that fewer than  10  enroll in college?   The probability that fewer…

A: From Given original  question ,  A national college researcher reported that 65% of students who…

Q: Please! Could you help me solving this practice problem I’m having hard time with it. Which option…

A: It was stated that on a local trail activity, the summary of the 258 exercising people is as…

Q: Suppose you are given a multiple-choice test with 10 questions, each with 4 answer choices. If you…

A: The question is about discrete prob. distribution Given : No. of multiple choice questions ( n ) =…

Q: what is the probability of rolling two dice a sum of 5 as a percent rounded to 1 decimal place.

A: From the provided information, Two dice are rolled. Total outcome after rolling two dice = 6 × 6 =…

Q: The P(A) = ?  5/11.    P(not A) =?    6/11 Odds in favor of A are?

A: Given that P(A)=5/11, P(not A)=6/11

Q: If Ha is not equals, you have to double the probability of being beyond your test statistic to get…

A: Given Data: Alternate Hypothesis: Not equal

Q: For a binomial experiment with r successes out of n trials, what value do we use as a point estimate…

A: In binomial distribution P is probability of success and n is number of trials.  Let  random…

Q: Could you please breakdown probability (P (1)  for me which results in 6, 0.68, squared and results…

A: Given  A solution based on binomial distribution,we need to explain how the probability P(1) is…

Q: if a true-false test with 5 queations is given, what is the probability of scoring (A) exactly 80%…

A: To calculate the probabilities of the required events under the given conditions

Q: What is the probability that more than  14  enroll in college?

A: The random sample of school graduates, The percentage of students who graduated from high school in…

Q: If a​ true-false test with 10 questions is​ given, what is the probability of scoring   ​(A)…

A: If a​ true-false test with 10 questions is​ given, we find the probability of scoring   Exactly​ 80%…

Q: (Question from the class forum) A grocery store has 3 red apples, 2 green mangos, 6 green apples, 3…

A: 3 - red apples 2 - green mangos 6 - green apples 3 - red mangos ____________________ 14 total fruits…

Q: 22.In Hawaii, the rate of motor vehicle theft is 775 thefts per 100,000 vehicles. A large parking…

A: Given n=421 P=0.00775

Q: A team’s wins and losses are analyzed as a binomial experiment with p as the probability of success…

A: A random variable x will follow the binomial distribution if the following conditions are satisfied.…

Q: What is the probability of scoring below a z-score of +2.91?

A: What is the probability of scoring below a z-score of +2.91?

Q: You are conducting a Bernoulli experiment where the probability of of failure is 25%. |20 What is…

A:

Q: What is a simulation that describes the event that the home team will win their first three home…

A: We have to find probability given  events.

Q: What is the probability of observing a z score greater than 3?

A: From the provided information, The z score is greater than 3. That is P (z > 3)

Q: What is the probability of scoring above a z-score of -2.00?

A: X~N( μ , ?)μ=0     , ?=1Z-score =( x - μ )/?

Q: Why do scientists often misinterpret the p-value as the probability of the hypothesis.

A: To provide the reason for the given statement.P-value is also known as 'probability value.'

Q: In a hypothesis test, the Type I error rate is a = 0.10. Suppose we %3D also know that the Type II…

A: The type I error is Rejection of True null hypothesis. The type II error is fail to reject a false…

Q: E(7) = (to 1 decimal) (to 4 decimals) = 20

A:

Q: The probability of winning the grand prize at a particular carnival game is 0.005. Michele wins the…

A: Probability measures the chance occurrence of an event out of all possible outcomes.

Q: The chance (percentage) of having O-negative blood type is 0.06 (6%). In a class with 35 students:…

A:

Q: You have conducted a series of experiments to reduce the proportion of scrapped battery cells to 1%…

A:

Q: The probability that someone can taste PTC is 0.7. Suppose 20 people are randomly selected and…

A: We have given that,  Let X be the random variable from binomial distribution with probability (p) =…

Q: Your company makes 2000 sports bikes. The probability that a sport bike passes inspection is 92% 5.…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…