A study was conducted to determine the proportion of people who dream in black and white instead of color. Among 312 people over the age of​ 55, 78 dream in black and​ white, and among 294 people under the age of​ 25, 10 dream in black and white. Use a 0.01 significance level to test the claim that the proportion of people over 55 who dream in black and white is greater than the proportion for those under 25. Complete parts​ (a) through​ (c) below. Consider the first sample to be the sample of people over the age of 55 and the second sample to be the sample of people under the age of 25. What are the null and alternative hypotheses for the hypothesis​ test? A. H0​: p1=p2 H1​: p1≠p2 B. H0​: p1≤p2 H1​: p1≠p2 C. H0​: p1=p2 H1​: p1p2 E. H0​: p1≠p2 H1​: p1=p2 F. H0​: p1≥p2 H1​: p1≠p2 Identify the test statistic. z=  ​(Round to two decimal places as​ needed.) Identify the​ P-value. ​P-value= ​(Round to three decimal places as​ needed. What is the conclusion based on the hypothesis​ test?  b. Test the claim by constructing an appropriate confidence interval. The 98​%

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

A: Confidence interval are used to determine the range where the true parameter lies. It calculated…

Q: need help with part D

A: Sample sizes n1=594 ,n2=506Favorable cases x1=363 ,x2=325Significance level (α) = 0.01Now,p̂1 =…

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

A: Sample 1 (people over age of 55): n1=297x1=80 Sample 2 (people under the age of 25): n2=311x2=14…

Q: A car company wants to know the monthly sales made in ($000), based on the brand of vehicle the data…

A: The following information is available in the question Model N Mean Median Tri-Mean Std Dev S.E.…

Q: Of 4105 students enrolled in Mineral County public schools (WV) in the academic year 2016-2017,…

A: We have to find type of statistics.

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

A: α=0.01 Sample size, n1=323 No. of people dream in black and white, x1=73 Sample size, n2=315 No. of…

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

A: Claim: The proportion of people over 55 who dream in black and white is greater than the proportion…

Q: Solving. The following are the scores of PrEd 161 students in a midterm examination with 80-items:…

A: Step-by-step procedure to obtain the mean, median and mode using Excel is given below: In Excel…

Q: A thousand people were sampled and classified according to their smoking and alcohol consumption…

A: It is observed that the variables smoking and alcohol consumption status are categorical.

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

A: People over the age of 50 are taken as group 1. People under the age of 25 are taken as group 2.…

Q: Sleep apnea is a disorder in which you have one or more pauses in breathing or shallow breaths while…

A: Given thatIn a cross sectional study of 340 adults who suffer from sleep anemia it was found that…

Q: You randomly asked 100 students about their mean exercise time per week. Using the data, you stated…

A: This is an example of inferential analysis .

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

A: We have given that x1 = 71 , n1 = 323 x2 = 14,  n2 = 288 Significance level (α) = 0.05

Q: Ashudy w conducted to determine the proportion of people who dream in black and white instead of…

A:

Q: 2. Stephanie wanted to know if there was an association between handedness and breakfast frequency.…

A: Basic concepts of probability are used.

Q: The lottery commissioner's office in a state wanted to find if the percentages of men and women who…

A: It is given that the sample of 490 men, in that 150 play the lottery often and the sample of 315…

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

A:

Q: The mode of the data 29, 27, 33, 29, 39, 36, 29 is O 29 O 27 O 33 O 39 O 36

A:

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

A: The given information is about the 324 people over the age of 55, among that, 79 dreams in black and…

Q: **Please who by hand. 6) Wages of Workers Without High School Diploma. SmartAsset reports that…

A: 1.Let  denotes the mean weekly pay for workers who have received a high school diploma.The test…

Q: Revised 1

A: Hypothesis testing is procedure that analyst make assumptions about the population parameter.…

Q: 100 people with three different college majors were asked which social media site they prefer. Is…

A: Here 100 people with three different college majors were asked which social media site they prefer.…

Q: Based on the data collected to check if income and graduation have any relation, following two-way…

A: The given experiment is to be conducted to test the significant association between annual income…

Q: The table shows data about student involvement in extracurricular activities at a local high school.…

A:

Q: Given the data set H={2,3,6,7,7,9,9,10,10,17} Since 7+9/2 - 16/2 -8 , the……….. oh H is 8.

A: The complete solutions are given below

Q: b. Which group is more likely to have taken a vacation in the last year: college graduates or…

A: Given data:   Yes No Total College Graduate 183 67 250 Not a College Graduate 126 124 250…

Q: To determine if patrons are satisfied with performance​ quality, a theater surveys patrons at an…

A: From the provided information, Sample size (n) = 100 70% of these surveys indicated dissatisfaction…

Q: An educator want to determine whether early exposure to school affect IQ. He enlists the aid of…

A: We set up the, Null Hypothesis(H0):μx=μy , there is no diffrence between the mean IQ of children who…

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

A:

Q: 3. In Biology 340, weights are assigned to required activities as follows. Activity Project Exam 1…

A: Comment: As per the our company guidelines we are supposed to answer only one question. Kindly…

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

A: Given n1=295 n2=292 X1=74 X2=14

Q: Residents in a city are charged for water usage every three months. The water bill is computed from…

A: INTRODUCTION :   HISTOGRAM: The Histogram is often useful to represent a frequency distribution…

Q: 3. The histogram below shows the number of CDs students own based on the survey. Which of the…

A: From the given histogram, we see          Number of students owning 1-4 CDs is more than the number…

Q: a. Identify the population(s). of those who take the drug actually get headaches. 5% of those who…

A: It is given that a deug company that an allergy medication causes headaches in 5% of thise who take…

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

A: People over the age of 50 are taken as group 1. n1=297 x1=55 People under the age of 25 are taken as…

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

A: a.   Denote p1, p2 as the true population proportions of people, who dream in black and white over…

Q: The boxplot shown below results from the heights (cm) of males listed in a data set. What do the…

A:

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

A: The random variable X follows binomial distribution. We have to use normal approximation to binomial…

Q: At the beginning of the semester, students were asked whether they felt confident with their…

A: Since you have posted a question with multiple sub-parts, we will answer the first three questions…

Q: The table shows data about student involvement in extracurricular activities at a local high school.…

A:

Q: childhood reading habits and achievement in high school. 6. A study of 100 recent high school…

A:

Q: Astudy was conduccled to determine the proportion of people who dream in black and white instead of…

A: Given , People over age 55 : Sample size = n1 = 317 Number of people who dream in black and white  =…

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

A: There are two independent samples which are over 55 and under 25. We have to test whether the…

Q: A survey asked 16 boys and 14 girls about their shirt color. There were 8 boys with blue shirts, 6…

A:

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.