In a certain school district, it was observed that 30% of the students in the element schools were classified as only children (no siblings). However, in the special program for talented and gifted children, 113 out of 328 students are only children. The school district administrators want to know if the proportion of only children in the special program is significantly different from the proportion for the school district. Test at the a = 0.05 level of significance. What is the hypothesized population proportion for this test? p = (Report answer as a decimal accurate to 2 decimal places. Do not report using the percent symbol.) Based on the statement of this problem, how many tails would this hypothesis test have? O one-tailed test O two-tailed test Choose the correct pair of hypotheses for this situation: (A) Ho:p = 0.3 H:p< 0.3 (B) Họ:p = 0.3 Ha:p + 0.3 (C) Ho:p = 0.3 Ha:p > 0.3 (D) Ho:p = 0.345 Họ:p = 0.345 Họ:p = 0.345 Ha:p < 0.345 Ha:p + 0.345 Ha:p > 0.345 (E) (F) Using the norn the test statistic for this sample based on the sample proportion? approximation the binomial distribution (without the continuity correction), (Report answer as a decimal accurate to 3 decimal places.) You are now ready to calculate the P-value for this sample. p.value = (Report answer as a decimal accurate to 4 decimal places.)
In a certain school district, it was observed that 30% of the students in the element schools were classified as only children (no siblings). However, in the special program for talented and gifted children, 113 out of 328 students are only children. The school district administrators want to know if the proportion of only children in the special program is significantly different from the proportion for the school district. Test at the a = 0.05 level of significance. What is the hypothesized population proportion for this test? p = (Report answer as a decimal accurate to 2 decimal places. Do not report using the percent symbol.) Based on the statement of this problem, how many tails would this hypothesis test have? O one-tailed test O two-tailed test Choose the correct pair of hypotheses for this situation: (A) Ho:p = 0.3 H:p< 0.3 (B) Họ:p = 0.3 Ha:p + 0.3 (C) Ho:p = 0.3 Ha:p > 0.3 (D) Ho:p = 0.345 Họ:p = 0.345 Họ:p = 0.345 Ha:p < 0.345 Ha:p + 0.345 Ha:p > 0.345 (E) (F) Using the norn the test statistic for this sample based on the sample proportion? approximation the binomial distribution (without the continuity correction), (Report answer as a decimal accurate to 3 decimal places.) You are now ready to calculate the P-value for this sample. p.value = (Report answer as a decimal accurate to 4 decimal places.)
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Transcribed Image Text:In a certain school district, it was observed that 30% of the students in the element schools were
classified as only children (no siblings). However, in the special program for talented and gifted children,
113 out of 328 students are only children. The school district administrators want to know if the
proportion of only children in the special program is significantly different from the proportion for the
school district. Test at the a = 0.05 level of significance.
What is the hypothesized population proportion for this test?
p =
(Report answer as a decimal accurate to 2 decimal places. Do not report using the percent symbol.)
Based on the statement of this problem, how many tails would this hypothesis test have?
O one-tailed test
O two-tailed test
Choose the correct pair of hypotheses for this situation:
(B)
(A)
Но:р 3 0.3
|Ha:p < 0.3
Ho:p = 0.3
Ha:p + 0.3
(C)
Ho:p = 0.3
H.:p > 0.3
(D)
Ho:p = 0.345 Ho:p
Ha:p < 0.345 Ha:p+ 0.345 Ha:p > 0.345
(E)
(F)
0.345 Ho:p = 0.345
8 88
Using the normal approximation for the binomial distribution (without the continuity correction), what is
the test statistic for this sample based on the sample proportion?
z =
(Report answer as a decimal accurate to 3 decimal places.)
You are now ready to calculate the P-value for this sample.
p-value =
(Report answer as a decimal accurate to 4 decimal places.)
30
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