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 210 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 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 c) Fill in the correct null and alternative hypotheses: Ho: ?? HA: ? ? d) A Type I error in the context of this problem would be:
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 210 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 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 c) Fill in the correct null and alternative hypotheses: Ho: ?? HA: ? ? d) A Type I error in the context of this problem would be:
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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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 halls being constructed on its campus. In a random sample of 210 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.
Transcribed Image Text: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 210 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 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
c) Fill in the correct null and alternative hypotheses:
10: ? ✓ ? ✓
HA: ??V
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
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