two Tails? (A fair coin is one that is not loaded, so there is an equal chance of it landing Heads up or Tails up.)A) ¼     B)1/3     D) 4/8    B) 3/8

A fair coin is tossed three times. What is the probability of obtaining one Headand two Tails? (A fair coin is one that is not loaded, so there is an equalchance of it landing Heads up or Tails up.)A) ¼     B)1/3 D) 4/8 B) 3/8Which of the following is not a valid probability value?A) 0   b) 0.57   c) 11/13     d) 4/3Which of the following is a correct statement about probability?A)      Probability values range from 0 to 1, inclusive.B)      Probabilities may assume negativeD)      Probabilities are limited to one decimal placeThe interquartile range is the difference between:the second and third quartile.. the second and fourth quartile.the first and third quartile.. the first and last quartile.A contingency table :a. can only be used when there are two levels of each variable.b. can be used to study the relationship between ordinal or nominal level variables.c. can only be used with interval or ratio level variables.d. is constructed from the quartiles of a data set..A dot plot shows the range of values along the:. vertical axis.. () diagonal axis.. median axis.. horizontal axis.A scatter diagram is a graphic tool used to portray:the mean of the data values.. the range of the data values.the midpoint of data values.. the relationship between variables.In a stem and leaf display:. the leaf is the leading digit or digits of the number.b. the stem is the leading digit or digits of the number.c. the stem or the leaf can be the leading digit or digits of the number.d. the stem is the trailing digit.. A committee of three is chosen from among the five professors – Dr. Smith,Dr. Andrews, Dr. Joalvz, Dr.Fritz and Dr. Burke. What is the probability thatDr. Burke is on the committee?A) 1/5   B) 2/5   C) ½    D) 3/5. A fair coin is tossed three times. What is the probability of obtaining oneHead and two Tails? (A fair coin is one that is not loaded, so there is an equal chance of it landing Heads up or Tails up.)A) ¼     B)1/3     D) 4/8    B) 3/8