adriDTN9829 adriDTN9829

21-10-2022
Mathematics

Answered

suppose that the duration of a particular type of criminal trial is known to be normally distributed with a mean of 15 days and a standard deviation of 5 days. let x be the number of days for a randomly selected trial. round all answers to 4 decimal places where possible. a. what is the distribution of x? x ~ n( , ) b. if one of the trials is randomly chosen, find the probability that it lasted at least 12 days. c. if one of the trials is randomly chosen, find the probability that it lasted between 17 and 22 days. d. 72% of all of these types of trials are completed within how many days? (please enter a whole number)

Answer :

Other Questions

a study was made of seat belt use among children who were involved in car crashes that caused them to be hospitalized. it was found that children not wearing an

a binomial experiment with probability of success and trials is conducted. what is the probability that the experiment results in fewer than successes? do not r

someone has stolen an atm card and knows that the first and last digits of the pin are 8 and 4, respectively. he has three tries before the card is retained by

The ages of students at a university are normally distributed with a mean of 21. What percentage of the student body is at least 21 years old?.

The line plot below shows the number of pets owned by 25 people who were randomly surveyed in a particular town. The town mayor uses the graph to claim that the

exercise 2.31. suppose a family has 2 children of different ages. we assume that all combinations of boys and girls are equally likely. (a) formulate precisely

Find the equilibrium concentrations of a and b for a=2 and b=2 . assume that the initial concentration of a is 1.0 mollâˆ’1 and that no b is present at the begi

using the following to answer q6-q8: the results of inspection of dna samples taken over the past 10 days are given below. sample size is 100. day12345678910 de

mensa is an organization that allows people to join only if their stanford-binet iqs are in the top 2% of the population. assume the population mean of stanford

31. a statistics class has 26 students. the instructor would like to select a random sample of 3 students to work together on a group project. a. how many diffe