a radio station in Myrtle beach announced that at least 90% of the hotels and motelswould be full for the Memorial day weekend. the station advised listeners to make reservations in advance if they planned to be in the resort over the weekend. on Saturday nighta sample of 58 hotels and motels showed 49 with a no-vacancy sign and 9 with vacancies.what is your reaction to the radio station’s claim after seeing the sample evidence? usea = .05 in making the statistical test. what is the p-value?

Q: A pizza chain advertises that, in recent taste experiment in which their pizza (pizza A) was…

A: Expected value (E) =Total frequency 5

Q: A random sample of n1 = 149 people ages 16 to 19 were taken from the island of Oahu, Hawaii, and 8…

A: Note: Hi there! Thank you for posting the question. To avoid the plagiarism issue we have used the…

Q: In an attempt to document the percentage of teenagers in the United States who play video games for…

A: The process of drawing conclusions about the population parameters by using the sample statistics,…

Q: In a study of teen cell phone use, 117 high school students were observed as they drove out of their…

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Q: Q1) The percentage of NON Defective production is 10%. If a sample of 5 lap tops randomly been drawn…

A: Let, X = number of defective laptops. p= probability of defective = (1-10%)=(1-.10)=0.9 n=5

Q: A food service director for a national corporation suspects that people are more likely to order…

A: a) Null Hypothesis: H0: The salad sales are not uniformly distributed across the days of the week.…

Q: i want Z

A: The known values are, x = 328 n = 1160 The sample proportion is,

Q: Many elementary school students in a school district currently have ear infections.  A random sample…

A: Solution: Let p1 be the proportion of students who have ear infections at one school and p2 be the…

Q: According to the Government Accountability Office, 80% of all college students ages 18 to 23 nad…

A:

Q: A financial advisor believes that the proportion of investors who are risk-averse (that is, try to…

A:

Q: A random sample of n1 = 157 people ages 16 to 19 were taken from the island of Oahu, Hawaii, and 12…

A: Introduction: Denote p1, p2 as the true population proportions of high school dropouts of the two…

Q: Previously, an organization reported that teenagers spend 12.5 hours per week, on average, on the…

A: Note: " Since you have asked multiple sub-parts, we will solve the first three sub-parts for you. If…

Q: Based on a sample of 80 men, 35% owned cats Based on a sample of 40 women, 50% owned cats The test…

A:

Q: A random sample of n1 = 158 people ages 16 to 19 were taken from the island of Oahu, Hawaii, and 11…

A:

Q: In a previous poll, 47% of adults with children under the age of 18 reported that their family ate…

A: The hypothesized proportion is 0.47.

Q: The manufacturer of a popular soft drink claims that cans of this drink contain 12 ounces.  A…

A: Degree of freedom explains the number of attribute which are independent in the sample. It is…

Q: A company manufactures cell phones. In August, a random sample of 125 cell phones was inspected, and…

A:

Q: In another Harris poll, adults were asked if they are in favor of abolishing the penny. Among 200…

A: From the given information,                        Sample size (n) =200 Probability of success…

Q: In a recent Gallup poll, 507 adults age 18 and older were surveyed and 269 said they believed they…

A:

Q: A random sample of n1 = 154 people ages 16 to 19 were taken from the island of Oahu, Hawaii, and 11…

A: The given data is as follows: For island of Oahu, The sample size n1 is 154 and the number of high…

Q: Test at the 4% significance level if the proportion of men who have a tattoo is or is not close to…

A: Here use single proportion z test

Q: In a previous poll, 39% of adults with children under the age of 18 reported that their family ate…

A: We have to test the claim that the proportion of families with children under the age of 18 who eat…

Q: In SPSS , for a one sample t test, to find your p value for a one tailed test, multiply the p value…

A: Given statement, for a one sample t test, to find your p value for a one tailed test, multiply the p…

Q: In order manufacturer is claiming that its new 2021 SUV model will have better gas mileage than the…

A: (a) The null and alternative hypothesis is, H0:u=30H1:u>30              (right tailed/one tailed)…

Q: A professor found out from a senior professor that engineering students in Harp University tend to…

A: Given information: μ=1.50x¯=1.35s=0.50n=9α=0.10

Q: A company claims that 90% of its deliveries arrive on time. You take a sample of 74 deliveries, of…

A: Given,   The sample proportion is,

Q: As the newly hired manager of a company that provides cell phone service, you want to determine the…

A: When we don't have any prior information about the population proportion, we generally take it as…

Q: According to a 2015 article, 37% of Americans aged 25 years or older have been arrested. An Orange…

A: Given that sample size n = 120 Number of persons who have been arrested, X = 48 Level of…

Q: In 1945​, an organization asked 1540 randomly sampled American​citizens, "Do you think we can…

A: Given, The sample proportion is,

Q: In a certain county in 2013, it was thought that 50% of men 50 years old or older had never been…

A: a) From the given information, the number of men had never been screened is 40 and the sample size…

Q: For Americans using library services, the American Library Association claims that at most 70% of…

A: Here, One sample Z test is applicable. x = 85 , n = 100

Q: A random sample of n1 = 157 people ages 16 to 19 were taken from the island of Oahu, Hawaii, and 12…

A:

Q: In recent years, approximately 55% of eligible voters take the time to vote in presidential…

A: Givensample size(n)=200x=128α=0.05

Q: For a certain year, a study reports that the percentage of college students using credit cards was…

A:

Q: 2. For Americans using library services, the American Library Association claims that at most 70% of…

A: Given: The random sample of patrons selected are n=100. The number of patrons who borrowed books are…

Q: In a previous poll, 30% of adults with children under the age of 18 reported that their family ate…

A:

Q: Asha owns a car-wash and is trying to decide whether or not to purchase a vending machine so…

A: Power of test depends on 4 factors namely-sample size, standard deviation, effect size and…

Q: The Substance Abuse and Mental Health Services Administration (SAMHSA, 2017) estimates that…

A: Solution is given below

Q: A random sample of n1 = 148 people ages 16 to 19 were taken from the island of Oahu, Hawaii, and 14…

A: Note: Since you have posted questions with multiple subparts we will solve the first three questions…

Q: Is the proportion of wildfires caused by humans in the south different from the proportion of…

A: Given : x1= 350.0 n1= 519 x2= 383.0 n2= 500 significance level, 0.01

Q: To appeal to customers that are trying to cut calories, a company that sells orange juice decides to…

A: In order to test the consumer group belief, determine whether the population proportion of water in…

Q: Consider this only partly filled in a partly labeled ANOVA source table Between: 40 4 10 7.35…

A: Given : dfB = 4 dfW = 22

Q: A national organization that conducts research on the cost and quality of health care in the U.S.…

A: A national organization that conducts research on the cost and quality of health care in the U.S.…

Q: A telephone company claims that more than 15% of its customers have at least two telephone lines.…

A: It is given that Sample size n = 250 Number of customers who have at least two telephone lines, X =…

Q: Previously, an organization reported that teenagers spend 12.5 hours per week, on average, on the…

A: t-test: If the given sample size is less than or equal to 30 then that is a small sample test.…

Q: According to YCharts in 2018, the unemployment rate for 15- to 24-year-olds in British Columbia was…

A: Sample size = 400 Proportion of sample having unemployment of 15-24 years = 0.094  Proportion of…

Q: The local sheriff has staked his campaign for re-election on the claim that that at least 88% of the…

A: Givensample size(n)=66p^=80%=0.80p=88%=0.88

Q: In a certain county in 2013, it was thought that 50% of men 50 years old or older had never been…

A: We have a random sample of 50 men and 20 of them had never been screened Also it was thought that…

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.