Claim: Fewer than 93% of adults have a cell phone. In a reputable poll of 1161 adults, 85% said that they have a cell phone. Find the value of the test statist The value of the test statistic is (Round to two decimal places as needed.)

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A: From the provided information, Sample size (n) = 653 Sample proportion (p̂) = 0.59 Level of…

Q: Claim: Fewer than 94% of adults have a cell phone. In a reputable poll of 1005 adults, 85% said that…

A: It is given that out of 1005 adults, it is found that 85% said that they have cell phones. The…

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A:

Q: Claim: Fewer than 91% of adults have a cell phone. In a reputable poll of 1084 adults, 86% said that…

A:

Q: Claim: Most adults would erase all of their personal information online if they could A software…

A: Given: Claim: Most adults would erase all of their personal information.  Means more than half of…

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A: From the provided information, Sample size (n) = 420 Sample proportion (p̂) = 0.64

Q: Claim: Fewer than 98% of adults have a cell phone. In a reputable poll of 1120 adults, 90% said that…

A: Given: n= 1120 p= 0.98 p̂= 0.90

Q: Claim: Fewer than 97% of adults have a cell phone. In a reputable poll of 1249 adults, 91% said that…

A: We want to find the test statistic

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A: We have to find test statistics.

Q: Claim: Fewer than 94% of adults have a cell phone. In a reputable poll of 1079 adults, 89% said that…

A: Given that, Null and alternative hypothesis:

Q: Claim: Fewer than 94% of adults have a cell phone. In a reputable poll of 1082 adults, 85% said that…

A: Given  n=1082, pcap=85%=0.85, p=94%=0.94 Ho:p=0.94 vs H1: p<0.94

Q: Claim: Fewer than 96% of adults have a cell phone. In a reputable poll of 1154 adults, 89% said that…

A: Fewer than 96% of adults have a cell phone.In a reputable poll of 1154 adults,89% said that they…

Q: Claim: Fewer than 95% of adults have a cell phone. In a reputable poll of 1204 adults, 90% said that…

A: As per our guidelines we are suppose to answer first question.

Q: Claim: Fewer than 94% of adults have a cell phone, In a reputable poll of 1244 adults, 85% said that…

A: Given data: Claim: Fewer than 94% of adults have a cell phone. In a reputable poll of 1244 adults,…

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A: From the provided information, Sample size (n) = 550 63% of them would erase all of their personal…

Q: Claim: Fewer than 94% of adults have a cell phone. In a reputable poll of 1051 adults, 88% said that…

A: The random variable X follows binomial distribution. The population proportion is 0.94. We have to…

Q: Claim: Fewer than 97​% of adults have a cell phone. In a reputable poll of 1115 adults, 92​% said…

A: Given,n=1115p^=0.92claim:  Fewer than 97​% of adults have a cell phone.

Q: Claim: Fewer than 93% of adults have a cell phone. In a reputable poll of 1188 adults, 83% said that…

A: Solution: From the given information, p-hat=0.83 and n=1188.

Q: Claim: Fewer than 92% of adults have a cell phone. In a reputable poll of 1175 adults, 83% said that…

A:

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A:

Q: Claim: Fewer than 95% of adults have a cell phone. In a reputable poll of 1189 adults, 86% said that…

A:

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A: From the provided information, Sample size (n) = 670 Sample proportion (p̂) = 0.62

Q: Claim: Fewer than 93% of adults have a cell phone. In a reputable poll of 1181 adults, 83% said that…

A: Here we need to find the test statistic. Here the test is Z test.

Q: ​Claim: Fewer than 93% of adults have a cell phone. In a reputable poll of 1135 adults, 86​% said…

A:

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A:

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A:

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A: Given that, Sample size n=467 Sample proportion of adults who would erase all of their personal…

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A: From the provided information, Sample size (n) = 525 Sample proportion (p̂) = 0.63

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A: The given values are, The value of standard error is,

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A:

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A: Given that, p^=0.55,n=668, and p=0.50 The value of standard error is,

Q: Claim: fewer than 98% of adults have a ce phone. In a reputable poll of 1117 adults, 93% said they…

A: The population proportion is 0.98, sample proportion is 0.93, and sample size is 1,117.

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A: Denote p as the true proportion of the adults who would erase all of their personal performance…

Q: Claim: Fewer than 91% of adults have a cell phone. In a reputable poll of 1101 adults, 82% said that…

A:

Q: Claim: Fewer than 93% of adults have a cell phone. In a reputable poll of 1234 adults, 83% said that…

A: Sample size , n = 1234 p = 93%  = 0.93 p^ = 83% = 0.83

Q: Claim: Most adults would erase all of their personal information online if they could. Asoftware…

A: In this scenario, It is appropriate to use one prop Z test. Null and alternative hypotheses: Let p…

Q: Claim: Fewer than 96% of adults have a cell phone. In a reputable poll of 1076 adults, 89% said that…

A:

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A: From the provided information, Sample size (n) = 535 55% of them would erase all of their personal…

Q: Claim: Fewer than 97% of adults have a cell phone. In a reputable poll of 1042 adults, 92% said that…

A:

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A: From the provided information, Sample size (n) = 460 Sample proportion (p̂) = 0.58

Q: Claim: Fewer than 94% of adults have a cell phone. In a reputable poll of 1122 adults, 86% said that…

A: The population proportion is 0.94, sample size is 1122, and sample proportion is 0.86. That is,…

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A:

Q: Claim: Fewer than 97% of adults have a cell phone. In a reputable poll of 1049 adults, 92% said that…

A: Solution is given below

Q: ​Claim: Most adults would erase all of their personal information online if they could. A software…

A: Given information Sample size, n = 408 We have given that a software firm survey of 408 randomly…

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A: Denote p as the true proportion of the adults, who would erase all of their information.

Q: Claim: Fewer than 91% of adults have a cell phone. In a reputable poll of 1051 adults, 81% said that…

A: From the provided information, Sample size (n) = 1051 Sample proportion (p̂) = 0.81

Q: Claim: Fewer than 96% of adults have a cell phone. In a reputable poll of 1207 adults, 89% said that…

A: The random variables that who have a cell phone follow normal distribution. The population…

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A: In the example we are given that 62% of the people would erase the data if they could,…

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A: State the hypotheses. That is, there is no evidence that the most of the adults would erase all of…

Q: Claim: Fewer than 98 % of adults have a cell phone . In a reputable poll of 1026 adults , 88% said…

A:

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.