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It is believed that 11% of all Americans are left-handed. A college needs to know how many left-handed desks to place in the big lecture
It is believed that 11% of all Americans are left-handed. A college needs to know how many left-handed desks to place in the big lecture halls being constructed on its campus. In a random sample of 160 students from that college, whether or not a student was left-handed was recorded for each student. The college wants to know if the data provide enough evidence to show that students at this college have a higher percentage of left-handers than the general American population? State the random variable, population parameter, and hypotheses. State the Type I and Type II errors in the context of this problem. a) The symbol for the random variable involved in this problem i (v ? 3 P The wording for the random variable in context is as follows: N Select an answer X b) The symbol for the parameter involved in this problem is ? XI in The wording for the parameter in context is as follows: Select an answer c) Fill in the correct null and alternative hypotheses: Ho: 30 ?0 0.11 HA: ?0 ?0 0.11 d) A Type I error in the context of this problem would be: Select an answer e) A Type II error in the context of this problem would be: Select an answer Question Help: Video 1 Video 2 Submit Question Q Search or enter website name # $ % 8 3 4 b 6 8 W E R T Y U S DIt is believed that 11% of all Americans are left-handed. A college needs to know ho to place in the big lecture halls being constructed on its campus. In a random sample that college, whether or not a student was left-handed was recorded for each stude know if the data provide enough evidence to show that students at this college have left-handers than the general American population? State the random variable, popu hypotheses. State the Type I and Type II errors in the context of this problem. a) The symbol for the random variable involved in this problem is ? The wording for the random variable in context is as follows: Select an answer The percentage of 160 randomly selected students from that college that are left-handed. The percentage of all students from that college that are left-handed. A randomly selected student from that college. A randomly selected student from that college that is left-handed The mean number of 160 randomly selected students from that college that are left-handed. The mean number of all students from that college that are left-handed. 11% of all students from that college are left-handed. Whether or not a randomly selected student from that college is left-handed. Ho: 3 0 0 0.11 HA: 30 20 |0.11 d) A Type I error in the context of this problem would be: Select an answer e) A Type II error in the context of this problem would be: Select an answer Question Help: Video 1 Video 2 Submit Questiona) The symbol for the random variable involved in this problem is ? The wording for the random variable in context is as follows: Select an answer b) The symbol for the parameter involved in this problem is ? ) The wording for the parameter in context is as follows: Select an answer The percentage of 160 randomly selected students from that college that are left-handed. The percentage of all students from that college that are left-handed. A randomly selected student from that college. A randomly selected student from that college that is left-handed The mean number of 160 randomly selected students from that college that are left-handed. The mean number of all students from that college that are left-handed. 11% of all students from that college are left-handed. Whether or not a randomly selected student from that college is left-handed. d) A Type I error in the context of this problem would be: Select an answer e) A Type II error in the context of this problem would be: Select an answer Question Help: Video 1 Video 2 Submit Questionype I and Type II errors in the context of this problem. andom variable involved in this problem is ? random variable in context is as follows: parameter involved in this problem i V ?N n parameter in context is as follows: X C N ull and alternative hypotheses: a 0.11 ? C 0.11 he context of this problem would be: the context of this problem would be: Video 1 Video 2
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