A coin was flipped 56 times and came up heads 32 times. At the .10 level of significance, is the coin biased toward heads? (a-2) Calculate the test statistic. (Carry out all intermediate calculations to at least 4 decimal places. Round your answer to 3 decimal places.) (b-1) Find the p-value. (Round your answer to 4 decimal places.)

A coin was flipped 56 times and came up heads 32 times. At the .10 level of significance, is the coin biased toward heads? (a-2) Calculate the test statistic. (Carry out all intermediate calculations to at least 4 decimal places. Round your answer to 3 decimal places.) (b-1) Find the p-value. (Round your answer to 4 decimal places.)

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter7: Percents

Section: Chapter Questions

Problem 10PTTS

See similar textbooks

Similar questions

Find the mean hourly cost when the cell phone described above is used for 240 minutes.
d. Interpret the value of IQR in the above table.
Do men take less time than women to get out of bed in the morning? The 42 men observed averaged 7.6 minutes to get out of bed after the alarm rang. Their standard deviation was 2.2. The 52 women observed averaged 9 minutes and their standard deviation was 2.1 minutes. What can be concluded at the a = :0.01 %3D level of significance?
Papa's Italian Restaurant has collected data about customer sauce orders. It calculated that P(marinara) = 0.74, P(pesto) = 0.62, and P(marinara or pesto) = 0.93. Determine P(marinara and pesto). 0.46 0.43 0.19 0.31
A certain drug is used to treat asthma. In a clinical trial of the drug, 27 of 279 treated subjects experienced headaches (based on data from the manufacturer). The accompanying calculator display shows results from a test of the claim that less than 9% of treated subjects experienced headaches. Use the normal distribution as an approximation to the binomial distribution and assume a 0.01 significance level to complete parts (a) through (e) below. 1-PropZTest prop <0.09. z = 0.395382781 p=0.6537197926 p= 0.0967741935 =279
You are conducting a study to see if the proportion of voters who prefer the Democratic candidate is significantly larger than 72% at a level of significance of a = 0.10. According to your sample, 41 out of 56 potential voters prefer the Democratic candidate.