Assume that random guesses are made for 3 ​multiple-choice questions

Q: A bag contains 8 red marbles and 13 green marbles. We pick twice at random a marble from the bag…

A: Given that Total marble=8+13=21 Red marble=8 Green marble=13 Two marble are drawn at random without…

Q: A geneticist conducts an experiment with peas, one sample of offspring consisted of 472 green peas…

A: To estimate the probability of getting a green pea, we divide the number of green peas (472) by the…

Q: A group of people were asked if some people see the future in their dreams. 114 responded "Yes", and…

A:

Q: A geneticist conducts an experiment with beans, one sample of offspring consisted of 457 green beans…

A: Given,no.of green beans=457no.of yellow beans=164Total no.of beans=621

Q: The probability of winning on an arcade game is 0.664. If you play the arcade game 22 times, what is…

A: Given  P=0.664 n=22 Find P(X≤9)=?

Q: A dietician read in a survey that 76.4% of adults in the U.S. do not eat breakfast at least 2 days a…

A: 26 The claim of the test is that smaller proportion than 0.764 of skip breakfast 2 days a week. Let…

Q: solve for the last part 1.168 was wrong!

A: 0112123333211325112234102

Q: Mike Brooks is required to complete 100 independent tasks a month at his on his performance, the…

A: Continuous uniform distribution: A random variable X is said to have the rectangular distribution or…

Q: In a survey of 240 males ages 20 to 24, 35% were neither in school nor working. In a survey of 250…

A: To test the two sample proportion, the following formulae is to be used…

Q: The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 79…

A: (a)   Determine the distribution of X.   The distribution of X is determined below as follows:

Q: Assume that a procedure yields a binomial distribution with n trials and the probability of success…

A: Givenn=60p=15=0.20x~Binomial(n=60 , p=0.20)P(X=x)=(nx)px(1-p)n-x  ; x=0,1,..,n

Q: A geneticist conducts an experiment with beans, one sample of offspring consisted of 449 green beans…

A:

Q: The probability that the wait time in a doctors office is at most 20 minutes is 27% how many…

A:

Q: wenty-six percent of couples who plan to marry this year are planning destination weddings. Assume…

A: Given data is appropriate for binomial distribution. The binomial distribution is frequently used to…

Q: A hacker is trying to guess someone's password. The hacker knows (somehow) that the password is 3…

A: Given: Password = 3 digit long Digit could be a number between = 0 and 4 so , that is = 0 , 1 , 2 ,…

Q: In a psychiatric practice a therapist said he randomly selected 5 patients and by coincidence she…

A: select 5 patients out of 27 patients. what is probability that he selects 5 highest measures.

Q: #18,19,20 it was given to do as sub parts.

A: 18. From the given information, there are 8 multiple choice questions and the probability of correct…

Q: Twenty-six percent of couples who plan to marry this year are planning destination weddings. Assume…

A:

Q: Find the probability of fewer than half of the questions correct in 14 guesses.

A: here given , A student is making independent random guesses on a test. The probability the student…

Q: the probability of only 1 success and 0 successes both in 4 tries. n = 4              k = 1…

A: We have to calculate the probability of only 1 success and 0 successes both in 4 tries. n=4 p=0.69…

Q: A hacker is trying to guess someone's password. The hac

A: There are 7^3 different codes of 3 digits long with the digits from 0 to 5 inclusively. They are…

Q: The probability of a success is .45. If you have a sample of 13 people, what is the probability that…

A: Bin(n=13, p=0.45)

Q: calculate the probability of exactly 1 success in 4 tries. p=0.27 1-p= 0.73 n=4 k=1

A: Ans- Here the random variable X has binomial distribution  With parameter   n = 4, p = 0.27 & q…

Q: American Airlines' flights from Boston to Dallas are on time 90 % of the time. Suppose 8 flights are…

A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.