the normal approximation for the binomial distribution (without the continuity correction), what is est statistic (z-score) for this sample based on the sample proportion? ort answer as a decimal accurate to 3 decimal places.) re now ready to calculate the P-value for this sample. ue = ort 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
Section11.4: Collecting Data
Problem 3E
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Using the normal approximation for the binomial distribution (without the continuity correction), what is
the test statistic (z-score) 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.)
Transcribed Image Text:Using the normal approximation for the binomial distribution (without the continuity correction), what is the test statistic (z-score) 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.)
In a certain school district, it was observed that 28% of the students in the element schools were classified
as only children (no siblings). However, in the special program for talented and gifted children, 131 out of
373 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.)
Transcribed Image Text:In a certain school district, it was observed that 28% of the students in the element schools were classified as only children (no siblings). However, in the special program for talented and gifted children, 131 out of 373 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.)
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