proportion of only children in the special program is significantly different from the proportion to the school district test at tge

Q: According to a survey of 5041 Star Trek fans conducted in 2010, 2873 are females. Use this data to…

A: Null Hypothesis: H0: p<=0.5 Alternative Hypothesis: H1:p>0.5 Given that x=2873 and n=5041…

Q: we predict that children exhibit more aggressive acts after watching a vilent television show. The…

A: Provided information is, it is predicted that: children exhibit more aggressive acts after watching…

Q: Please help with the last part of this question finding the test statistic. A study was conducted to…

A: Given n1=312 X1=63 n2=300 X2=12

Q: Suppose that you wanted to buy a new Honda Civic and you want to wait until you can get a good deal.…

A: According to the given information in this questionWe need to find the value of the test statistic

Q: A new treatment for a certain disease is claimed to be effective in more than 80 % of cases . To…

A: In question, Given A new treatment for a certain disease is claimed to be effective in more than 80…

Q: A recent survey showed that from a sample of 500 packages delivered by a Postal Service,480 were…

A: Given that :  A recent survey showed that a sample of 500 packages delivered by a postal service,…

Q: What would the p-value be for a sample if the test statistic is 0.968 and the significance level is…

A: Given data: Test statistics = 0.968 The test is assumed to be right tailed test. Significance level…

Q: Suppose you plan to take a survey of Math&146 students asked how many miles they commute from their…

A: Given,Confidence Interval = 95%ME= Margin of Error =1.5σ=Population Standard Deviation=5.3

Q: Do male and female college students have the same distribution of living arrangements? Use a level…

A: From the given information, The given data table can be expressed as:   Dormitory Apartment…

Q: A study was conducted to determine the proportion of people who dream in black and white instead of…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: Has To answer that question, we consider the Cherry Blossom Race, a 10-mile race ru Washington D.C.…

A: note that,  population standard deviation is known.

Q: The U.S. Department of Transportation, National Highway Traffic Safety Administration, reported that…

A: From the provided information, Sample size (n) = 54 Out of which 35 involved an intoxicated driver.…

Q: There are 145 people who participate in a training about compassion, and their compassion scores are…

A: In paired t test, it is needed to check the significant difference between two variables of same…

Q: If the population  of ABM student of Malaya integrated high school has a mean of 14.45,what is the…

A: Given information: The mean of ABM students of Malaya integrated high school is 14.45. That means,…

Q: When is it appropriate to use a one-sample Z test and how is this value similar to a simple z or…

A:

Q: A marketing survey involves product recognition in New York and California. Of 37 New Yorkers…

A: In a survey in New York and California, 37 out of 197 knew the product in New York 99 out of 305…

Q: In a certain school district, it was observed that 32% of the students in the element schools were…

A:

Q: According to the Bureau of Transportation Statistics, on-time performance by airlines is described…

A: Given information: Action % of time Observed frequency(O) On Time 71 141 National Aviation…

Q: Do male and female college students have the same distribution of living arrangements? Use a level…

A: Given Information:   Dormitory Apartment Other Total Male 21 42 58 121 Female 26 35 52 113…

Q: o dream in black and white is greater than the proportion for those under 25. Complete parts (a)…

A: We have given that  Sample size n1 = 320 , n2= 306  Favorable cases x1= 74 , x2= 15…

Q: A service station owner believes that equal numbers of customers prefer to buy gasoline on every day…

A: It is needed to test the whether the number of customers who prefers to buy gasoline on each day of…

Q: marketer belive that 92% of adult in germany own a cell phone . a cell phone manufacture believes…

A: Given: p0=0.92x=174n=200p⏜=174200p⏜=0.87α=0.05

Q: a. For this study, we should use Select an answer b. The null and alternative hypotheses would be:…

A: Note: According to Bartleby expert guidelines, we can answer only first question with their three…

Q: Compute the test statistic. 12.547 (Round to three decimal places as needed.) Find the critical…

A: We will conduct Chi-square test of independence to test the claim that injuries are independent of…

Q: what statistical tool to use in sample of 40 students:  significant difference between the set of…

A: Statistical tools are used for planning, designing, analyzing and interpreting the results to make…

Q: In a certain school district, it was observed that 27% of the students in the element schools were…

A: Introduction: Consider that p is the true proportion of only children among the children in the…

Q: The weights of nine female students in kilograms are given as under; 45, 47, 50, 52, 48, 47, 49, 53…

A:

Q: It is believed that from among senior high school students, 15% would like to pursue engineering…

A: It is believed that from among senior high school students, 15% would like to pursue engineering…

Q: Sample Question Female Physicians The percentage of physicians who are women is 27.9%. In a survey…

A: Given : Population proportion = p = 0.279 Number of physicians selected = 44 total number of…

Q: In 2005, Health Canada claimed that 16.8% of Canadian adults are obese. A researcher wanted to check…

A: Here we need to find the value of the test statistic. Given p=0.168 and sample proportion phat=0.12

Q: What is the conclusion? A recent survey done by the Philippine Housing Authority found that 35% of…

A: The hypotheses are given below: Null hypothesis: H0:p=0.35 Alternative hypothesis: H1:p≠0.35 Since…

Q: A marketing agency wanted to determine if a new commercial changed people's opinion about a company.…

A: Statistical hypothesis means the decision about a population parameter. Here we look at the data we…

Q: A physician is interested to determine if the mean length of waiting time to conceive (in months) of…

A: Independent samples: Two samples are said to be independent when observations in one sample do not…

Q: b) A test of 80 youths and 120 adults showed that 18 of the youths and 10 of the adults were…

A: Given: The sample number of youths are n1=80. The sample number of adults are n2=120. The number of…

Q: A study of teenage suicide included a sample of 123 girls and 96 boys between ages of 12 and 16…

A: From the provided information, Total girls = 123 Total boys = 96

Q: 7. If we change the significance level from 5% to 1% how will that change affect the pvalue for the…

A: P value is probability of getting extreme results than what is observed. *Suppose you are doing left…