In a mound-shaped distribution, there is no difference in the values of the mean, and median.
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Q. 2It was reported in a medical journal that about 70 of the individuals needing a kidney transplant find a suitable donor when they turn to registries of unrelated donors. Assume that a group of ten individuals needing a kidney transplant. Let x represent the number of individuals needing a kidney transplant who will find a suitable donor among the registries of unrelated donors. Consider a group of ten individuals needing a kidney transplant. What is the distribution of x?
Q. 3A student scores 89, 75, 94, and 88 on four exams during the semester and 97 on the final exam. If the final is weighted double and the four others weighted equally, the student's final average would be 90.
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Q. 4Four cards are selected, one at a time, from a standard deck of 52 cards. Let x represent the number of aces drawn in the set of 4 cards. If this experiment is completed with replacement, explain why x is a binomial random variable.
Q. 5A data sample has a mean of 87, and a median of 117 . The distribution of the data is positively skewed.
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Q. 6Four cards are selected, one at a time, from a standard deck of 52 cards. Let x represent the number of aces drawn in the set of 4 cards. If this experiment is completed without replacement, explain why x is not a binomial random variable.
Q. 7Jessica has been keeping track of what she spends to eat out. The last week's expenditures for meals eaten out were 15.69, 15.95, 16.19, 20.91, 17.49, 24.53, and 17.66 . The mean amount Jessica spends on meals is 18.35.
Indicate whether the statement is true or false
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