A UTM received 1000 applications for the undergraduate program ev« applicants, 150 had a CGPA score above 3.70. 520 applicants had a C 3.50 and 3.70. 100 applicants had a score between 3.00 and 3.50. All Score lower than 3 00

Q: A medical researcher says that less than 77% of adults in a certain country think that healthy…

A: Given information Claim: - Less than 77% of Adults in a certain country think that healthy children…

Q: A certain drug can be used to reduce the acid produced by the body and heal damage to the esophagus…

A: It is given that the population proportion p is 0.92. The null and alternative hypotheses are given…

Q: A medical researcher says that at least 23% of Canadian adults are smokers.In a random sample of 200…

A: The null hypothesis is a simple statement about the value of the population parameter which is…

Q: Nationally, 83% of Americans have earned a high school diploma.  We want to see if the proportion of…

A: Given, Nationally, 83% of Americans have earned a high school diploma.  We want to see if the…

Q: A survey in Men's Health magazine reported that 39% of cardiologists said that they took vitamin E…

A:

Q: To reduce the number of plant accidents, ABC Co. implemented a new safety program for employees. To…

A: Given: n=10 α=0.05

Q: We wish to demonstrate that the average time to graduate from Tulane is affected by the students…

A: Claim : students who have taken AP calculus in high school graduate an average of more than 0.25…

Q: 2008, there were 507 children in Arizona out of 32,601 who were diagnosed with Autism Spectrum…

A: The proportion of children with ASD in national    The hypothesis need to be tested that whether…

Q: Some scientists believe that the sickle-cell trait lowers the risk of developing malaria. To explore…

A: Step 1:   It is needed to test, whether there is an association between the sickle- cell trait and…

Q: IBM is interested in comparing the average project completion time using last year's software versus…

A:

Q: A survey in Brighton among cancer patients revealed that 62 out of 454 women patients are diagnosed…

A: Solution: Let X1 be the number of women patients are diagnosed with lung cancer, X2 be the number of…

Q: In 2008, there were 507 children in Arizona out of 32,601 who were diagnosed with Autism Spectrum…

A:

Q: 8% of all Americans suffer from sleep apnea. A researcher suspects that a higher percentage of those…

A: Given data number of success , x= 37.0 sample size, n = 367 population…

Q: A sample of 800 truck drivers from Minnesota were interviewed randomly and 316 answered they like…

A:

Q: Twelve subjects with diagnosed hypertension were randomly selected for this study. The age at which…

A: We have given that data  Mean = sum of all observations/total number of observations.  If level of…

Q: The percentage of residents ofa certain country who support stricter gun control laws has been 52%…

A: From the provided information, Sample size (n) = 1067 From 599 are in favor of stricter gun control…

Q: The manufacturer of a new drug claims that it will lower blood pressure by 13 points on the average.…

A: Given that: Data points [12.0, 8.0, 15.0, 9.0, 10.0, 16.0] From Data points we get following: x̄=…

Q: IBM is interested in comparing the average project completion time using last year's software versus…

A: Given: Test statistic for New - Last year= 3.1611 α=0.025 df = 50

Q: There are 250 genetically modified fruit-bearing plants in the agricultural farm. After two weeks of…

A: Dear students as per guidelines we answer the first three subparts only when multiple different…

Q: A pharmaceutical company wants to test whether their the incidence of side effects (i.e. adverse…

A: Normal distribution is a continuous distribution that has so many real-life applications. z…

Q: The number of pair days off taken by eight employees at a local small business is compared to the…

A: Given Information :  The number of pair days off taken by eight employees at a local small business…

Q: A new cataracts removal procedure for persons older than 60 years of age with degrading vision from…

A: "Since you have posted a question with multiple subparts, we will solve first 3 sub-parts for you.…

Q: A random sample of 400 Spanish adults revealed that 143 were smokers. A random sampleof 300 American…

A: The provided information are:

Q: . Dr. Cooky, the head of the Food Administration, encourages Filipinos to monitor their calorie…

A: Given that . Dr. Cooky, the head of the Food Administration, encourages Filipinos to monitor their…

Q: A research center claims that more than 25% of U.S. adults have used a cellular phone to access the…

A: The hypotheses are given below: Null hypothesis: H0: p=0.25. Alternative hypothesis: H1:p >0.25.…

Q: The survey of 523 students showed that 141 first year engineering students were willing to enroll…

A: Given  n1=523, n2=477, X1=141, X2=81 , level of significance ɑ=0.01

Q: . Suppose you were taking a one-day business trip to San Juan. What is the probability that it will…

A: San Juan experienced days of measurable precipitation = 127 Phoenix Arizona experienced days…

Q: The Mayoral challenger claims that less than 30% of residents over the age of 25 have bachelor's…

A:

Q: An educator estimates that the dropout rate for seniors at high schools in Colorado is 12%. Last…

A: Given: Sample size of seniors (n) = 300 Number of dropouts (x) = 27 Hypothesized proportion (p) =…

Q: In 1995, it was determined that 78% of US citizens supported a ban on household aerosols.  Thinking…

A:

Q: mon characterization of obese individuals is that their body mass index is at least 30 [BMI =…

A: Given: n(total) = 269 + 156 + 121              = 546 20% of total = 0.20 of 546…

Q: A sample of 137 burglaries indicated that 58 were not via an open or unlocked door or window. At the…

A: It is given that number of burglaries were not via an open or unlocked door or window (x) is 58 and…

Q: In a recent survey, 32% of employed U.S. adults reported that basic mathematical skills were…

A:

Q: The number of pair days off taken by eight employees at a local small business is compared to the…

A: a. Null Hypothesis: H0: The average value is equal to 15 Alternative Hypothesis: H0: The average…

Q: A poll in 2017 reported that 699 out of 1027 adults in a certain country believe that marijuana…

A: Given Information: Sample size (n) = 1027 X = 699 Sample proportion is given by the formula:…

Q: The recidivism rate for convicted sex offenders is 9%.  A warden suspects that this percent is…

A:

Q: Approximately 70% of the U.S. population recycles. According to a green survey of a random sample…

A: From the provided information, Approximately 70% of the U.S. population recycles that is p = 0.70…

Q: 5. The quality control officer of a company that manufactures keyboards wants to determine the…

A:

Q: Does the label “GLUTEN FREE” guarantee that a food hasabsolutely NO gluten? FDA guidelines state a…

A: According to the provided question, FDA guidelines state a food must contain less than 20 parts per…

Q: Suppose that 3000 drivers in Wakanda were randomly breath-tested on 21 April 2019 and 116 were above…

A: Suppose that 3000 drivers in Wakanda were randomly breath-tested on 21 April 2019 and 116 were above…

Q: Researchers suspect that 18% of all high school students smoke at least one pack of cigarettes a…

A:

Q: A sample of 900 commuters from New York were interviewed randomly and 416 answered they like express…

A: State the hypotheses. That is, there is no evidence to conclude that the sample evidence shows that…

Q: According to a survey conducted by the Association for Dressing and Sauces, 85% of American adults…

A: n = 200 x =171 p0 = 85% = 0.85 α=0.1

Q: It is claimed that the percentage of viewers tuned to a TV station's new sitcom is 30%. Out of the…

A:

Q: According to a survey conducted by the Association for Dressing and Sauces, 85% of American adults…

A: we need to select the appropriate test statistic.

Q: An accounting firm is interested in estimating the error rate in an ongoing compliance audit. The…

A: Given information: The data represents the values of the number of claims and errors.

Q: The manufacturer of an MP3 player wanted to know whether a 10% reduction in price is enough to…

A: State the hypotheses. That is, there is no evidence to conclude that the price reduction resulted…

Q: A common characterization of obese individuals is that their body mass index is at least 30 [BMI =…

A:

Q: A random sample of 16 statistics examinations from a large population was taken. If5 students scored…

A: Here use z test of proportion