Math 110 || All Questions Answered Correctly.

You have a bag of marbles. There are 3 marbles, 2 green marbles, 7 yellow marbles and 3 blue marbles. what is the probability of drawing a blue marble? correct answers 3+2+7+3=15 3/15=.2 which of the following pairs are independent events? correct answers two coin flips and draw an ace, put it back, then draw an ace again. you flip a coin three times. Is it more likely to get heads all three times or heads, then tails, then heads? correct answers They are both equally likely. Which of the following probabilities can be found using the binomial distribution? correct answers the probability that 3 out of 8 tosses of a coin will result in heads. the probability that Susan will beat Shannon in two of three tennis matches. the probability that a student blindly guessing will get at least 8 out of 10 multiple-choice questions correct. All of the statements that are true about normal distributions. correct answers they are symmetric around their mean. the mean, median and mode are equal. the are under the normal curve is equal to 1.0. a standard distribution has? correct answers a mean of 0 and a standard deviation of 1. a number 1.5 standard deviations below the mean has a z-score of ? correct answers -1.5 twenty students from a given school are randomly selected? correct answers Sample Grades from all employees at a given company are gathered? correct answers population the average income of every worker is collected? correct answers statistic zip codes are gathered for a city? correct answers qualitative the number of cats that have cancer are counted? correct answers discrete the names of various frog species are gathered and recorded? correct answers nominal the temperature in degrees Celsius is measured? correct answers interval a class is measured as unsatisfactory, satisfactory or very satisfactory? correct answers ordinal at students are selected from the populations so that the sample has a correct proportion of students from every age group and gender? correct answers stratified