In a newspaper's survey of 443 people, 52.8% said that we should replace passwords with biometric security, such as fingerprints. The accompanying Statdisk display results from a test of the claim...


In a newspaper's survey of 443 people, 52.8% said that we should replace passwords with biometric security, such as fingerprints. The accompanying Statdisk display results<br>from a test of the claim that half of us say that we should replace passwords with biometric security. Use the normal distribution as an approximation to the binomial distribution.<br>Use the display and a 0.10 significance level to complete parts (a) through (e).<br>Sample proportion: 0.5282167<br>Test Statistic, z: 1.1878<br>Critical z: +1.6449<br>P-value: 0.2349<br>a. Is the test two-tailed, left-tailed, or right-tailed?<br>es<br>Choose the correct answer below.<br>two-tailed<br>ol<br>right-tailed<br>left-tailed<br>b. What is the test statistic?<br>(Round to two decimal places as needed.)<br>c. What is the P-value?<br>

Extracted text: In a newspaper's survey of 443 people, 52.8% said that we should replace passwords with biometric security, such as fingerprints. The accompanying Statdisk display results from a test of the claim that half of us say that we should replace passwords with biometric security. Use the normal distribution as an approximation to the binomial distribution. Use the display and a 0.10 significance level to complete parts (a) through (e). Sample proportion: 0.5282167 Test Statistic, z: 1.1878 Critical z: +1.6449 P-value: 0.2349 a. Is the test two-tailed, left-tailed, or right-tailed? es Choose the correct answer below. two-tailed ol right-tailed left-tailed b. What is the test statistic? (Round to two decimal places as needed.) c. What is the P-value?
ook<br>In a newspaper's survey of 443 people, 52.8% said that we should replace passwords with biometric security, such as fingerprints. The accompanying Statdisk display results<br>from a test of the claim that half of us say that we should replace passwords with biometric security. Use the normal distribution as an approximation to the binomial distribution.<br>Use the display and a 0.10 significance level to complete parts (a) through (e).<br>urce<br>Sample proportion: 0.5282167<br>Test Statistic, z: 1.1878<br>Critical z: +1.6449<br>P-value: 0.2349<br>(Round to two decimal places as needed.)<br>esource:<br>c. What is the P-value?<br>ptions<br>P-value =<br>(Round to three decimal places as needed.)<br>ation Tool<br>d. What is the null hypothesis, and what do you conclude about it?<br>The null hypothesis is Ho: p V<br>where p denotes the population proportion of people who say that we should replace passwords with biometric security.<br>the null hypothesis.<br>(Type an integer or a decimal. Do not round.)<br>e. What is the final conclusion?<br>There<br>sufficient evidence to<br>V the claim that half of us say that we should replace passwords with biometric security.<br>

Extracted text: ook In a newspaper's survey of 443 people, 52.8% said that we should replace passwords with biometric security, such as fingerprints. The accompanying Statdisk display results from a test of the claim that half of us say that we should replace passwords with biometric security. Use the normal distribution as an approximation to the binomial distribution. Use the display and a 0.10 significance level to complete parts (a) through (e). urce Sample proportion: 0.5282167 Test Statistic, z: 1.1878 Critical z: +1.6449 P-value: 0.2349 (Round to two decimal places as needed.) esource: c. What is the P-value? ptions P-value = (Round to three decimal places as needed.) ation Tool d. What is the null hypothesis, and what do you conclude about it? The null hypothesis is Ho: p V where p denotes the population proportion of people who say that we should replace passwords with biometric security. the null hypothesis. (Type an integer or a decimal. Do not round.) e. What is the final conclusion? There sufficient evidence to V the claim that half of us say that we should replace passwords with biometric security.
Jun 03, 2022
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