Claim: Most adults would erase all of their personal information online if they could. A software firm survey of 558 randomly selected adults showed that 50.5​% of them would erase all of their personal information online if they could. Make a subjective estimate to decide whether the results are significantly low or significantly​ high, then state a conclusion about the original claim.  *The results____▼significantly___▼ so there____▼ sufficient evidence to support the claim that most adults would erase all of their personal information online if they could.

Q: _________are computed to show cause and effect relationships and to test hypotheses and scientific…

A: Causation indicates the relationship between two events where one event causes another event to…

Q: You receive a brochure from a large university. The brochure indicates that the mean class size for…

A: a)   Denote μ as the population mean class size for full-time faculty.

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

A: we have to test that if most of adults erase all of their personal information if they could sample…

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

A:

Q: #of Occupants 1 2 3 0.70 0.15 0.10 0.03 0.02 What is the mean number of occupants in a vehicle? 45…

A: given data, here data table and their probabilities are given we have to find out the mean for the…

Q: (c) Compute the test value. Re

A: Given that the sample size is n = 298 Number of households that had two or more television sets, X =…

Q: A dietician read in a survey that 76.4% of adults in the U.S. do not eat breakfast at least 2 days a…

A: 26 The claim of the test is that smaller proportion than 0.764 of skip breakfast 2 days a week. Let…

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

A: Given,   Sample size = 562 Sample proportion = 0.58   The null and alternative hypothesis is:

Q: A Pew Research study conducted in 2017 found that approximately 75% of Americans believe that robots…

A: Introduction: Denote μ1, μ2, μ3 as the mean scores from nurses, tax auditors, and fast-food workers,…

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

A: Given: n=582 and p=58%=0.58. From the given information,H0:p=0.5H1:p>0.5

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: Suppose you are interested in testing whether the mean earnings of men in the General Social Survey…

A:

Q: ..... The value of the test statistic is (Round to two decimal places as needed.)

A: Given :   sample size, n = 480 population proportion,p= 0.5 sample proportion…

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: A survey conducted in July 2015 asked a random sample of American adults whether they had ever used…

A: given data n = 194x = 53SE = 0.03299% ci for p = ?

Q: A poll found that 83% of American adults believed that there was a conspiracy in the death of…

A: Given  Population proportion p=0.83, X=869, n=sample size=1060 Level of significance ɑ=0.10

Q: The graphs correspond to a hypothesis test for population mean where the population standard…

A: Given:-Test for population means whenstandard duration is knowz=x-μσ/n~N(0,1)wherex=sample…

Q: How is a sample related to a​ population?    -A sample is the collection of all​ outcomes,…

A: Given: How is a sample related to a​ population?

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

A: Given that,sample size(n)=667success rate ( p )= x/n = 0.59success probability,( po )=0.5failure…

Q: Page 471 4. Prison Time According to a public service website, 69.4% of white collar criminals get…

A: Step 1: Suppose p is the population proportion of white-collar criminals serving prison time.The…

Q: Several years ago, the mean height of women 20 years of age or older was 63.7 inches. Suppose that a…

A: The question is about hypo. testing Given : Popl. mean height of women 20 yrs. and older ( μ ) =…

Q: Sleep apnea is a condition in which the sufferers stop breathing momentarily while they are asleep.…

A: Claim : the percentage of commercial truck drivers who suffer from sleep apnea is not 4.1%

Q: Yogurt. Is there a significant difference in calories between servings of strawberry and vanilla…

A: Here the calories for the same brand are being measured under two different scenarios, i.e., one…

Q: Doctors nationally believe that 78% of certain type of operation are successful in a particular…

A:

Q: bu receive a brochure trom a large university The brochure Complete parts (a) through (d) below…

A: Given that :  Claim : The brochure indicates that the mean class size for full time is faculty is…

Q: A college trying to determine if there is a significant difference in the mean GMAT score of…

A: Given data: Business Liberal Arts Sciences 575 562 601 590 578 600 585 584 584 588 570…

Q: You receive a brochure from a large university. The brochure indicates that the mean class size for…

A:

Q: You receive a brochure from a large university. The brochure indicates fewer than 33 students. You…

A: Given information:

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

A: Solution-: Given: n=697,  p^=0.55, We take P0=0.5 We want to find the value of the test statistic

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

A: The sample size is 542, sample proportion is 0.58, and population proportion is 0.5.

Q: Claim: Fewer than 96% of adults have a cell phone. In a reputable poll of 1132 adults, 86% said that…

A: Solution-: Given: n=295,P0=96%=0.96, p^=86%=0.86 We want to find test statistic=?

Q: More Information From the Online Dating Survey A survey conducted in July 2015 asked a random sample…

A: We have to find confidence interval for population proportion (p) Formula : CI = p^±zα/2×SE Where ,…

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: In a study, the data you collect is standardized exam score . What type of data is this? O…

A:

Q: 24 hours fitness wants to determine whether the number of days per week that college students spend…

A: Here ,  There are two categorical variables (Days per week spend exercising) & (Gender)  Here…

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

A: H0 : p =0.5 H1 : p >0.5 Population proportion = p₀ = 0.5 Sample proportion = p̂  = 0.56…

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

A: Solution-: Given: n=569,p^=0.56 We find the test statistic=?

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.