If appropriate, construct a 99.9% confidence interval for the ounce milkshakes sold at fast-food restaurants. Round the answers to at least two decimal places. A 99.9% confidence interval for the mean calorie count for all 12-ounce milkshakes sold at fast-food restaurants is

Q: How smart is your phone? A random sample of 10 samsung Galaxy smartphones being sold over the…

A: The random variable X follows normal distribution. We have to construct the 99.8% confidence…

Q: According to past reports 51% of employees own a car. In a random sample of 106 employees, how many…

A: Total no.of employees(n)= 106 The percentage of employees own a car(p)= 0.51

Q: orty studens ha dass at an ney can speak. Complete the table. Foreign Language Gender Chinese…

A: Explanation of the answer is as follows

Q: A sample of students in a university café was asked the following questions. Identify the type of…

A: A sample of students in a university café was asked the following questions. a. What is your…

Q: n choose the appropriate test and name the​ population(s). A researcher asks a random sample of 200…

A: When the variable of interest is categorical in nature, it indicates that we are dealing with the…

Q: Arsenic is toxic to humans, and people can be exposed to it through contaminated drinking water,…

A: The following levels were recorded: 0.8 1.9 2.7 3.4 3.9 7.1 11.9 26.0 We know that for any…

Q: A survey shows that 3/5 Australian adults are overweight and 1/10 Australian adults are obese. What…

A:

Q: According to past reports 48% of employees own a car. In a random sample of 250 employees, how many…

A: Total no.of employees=250 The percentage of employees own a car=0.48

Q: A certain virus affects 0.5% of the population. A test used to detect the virus in a person is…

A:

Q: Men Women Total Work 15 65 Not Work 23 28 51 38 ? a) Figure out the missing totals and report them…

A:

Q: What proportion of 18-30 year olds suffered grievous injuries? 0.303 0.204 0.314 0.222 0.199 0.600

A: The given data is:Accident SeverityAge group of driversTotal18-3030-5050+Fatal27224089Grevious…

Q: What percentage of the people who worked were males?

A: men women total work 15 23 80 not work 23 28 51 total 38 93 131 What percentage of the…

Q: Does Octane matter? Some people believe that different octane gasoline result in different miles per…

A: Solution: Let x= Miles on 87 octane  and y =Miles on 92 octane  x y d =y-x (d-d) (d-d)2 234…

Q: First verify the model requirements. Select all that apply. MA. The samples are independent. B. The…

A: Given In 1945 Total number of adults surveyed = 1100 Number of adults who are total abstainers = 352…

Q: ) Find the probability that a person has the virus given that they have tested positive. Round your…

A: Given,  0.4% population is infected 90% of times the person has virus tested positive(true positive)…

Q: To compare average birth weight between autistics and non-autistic school children from the same…

A: The objective is to find the appropriate test to compare average birth weight between autistic and…

Q: Antibiotic is claimed to be effective in 70% of the patients it is given to. If antibiotic is given…

A: probability mass function of B.D is = f ( k ) = ( n  k ) p^k * ( 1- p) ^ n-kwhere       k = number…

Q: How many participants (total) were females?

A: Here, the first row sum represents the total female participants.

Q: The following table shows the systolic blood pressure of 5 women and 5 men.   Women 110 120 95…

A: Given: Women Men 110 114 120 128 95 120 140 152 125 100

Q: The theater owner wants to sample 250 customers out of the 3500 in attendance. This will be a 1 in k…

A: Population is the set of all objects of interest. Sample is s subset of the population. It is not…

Q: a newspaper article claims that the average age for people who recieve food stamps is 35 years. You…

A: Given that, A newspaper article claims that the average age for people who receive food stamps is 35…

Q: At the beginning of 2018, a survey showed that a country with a total land area of 500,500 square…

A: Given that,  at the beginning of 2018, a survey showed that a country with a total land area of…

Q: The population of the community is 15000 people. Which of the following is the prevalence proportion…

A: Given,6 new cases of diabetes5 cases are reported previous yearThe population of the community is…

Q: What proportion of drivers who suffered grievous injuries were aged 18-30? 0.199 0.600 0.222 0.204…

A: Grand total = 437 grievous  injuries in the age group 18-30: 27

Q: Any quantity that is computed from a sample is called

A: Sample :  It is subset of population

Q: 100,000 randomly selected adults were asked whether they drink at least 48 oz of water each day and…

A:

Q: answer a A. the national percentage of automobile accident fatalities which are alcohol related is…

A:

Q: 43% of the students in a school are boys. If there are 399 girls in the school, what is the entire…

A: The term per cent means for every hundred. A fraction whose denominator is 100 is called a…

Q: Based on a survey, more than  1  in  4  American children have cholesterol levels of  180…

A: Given:-               Baed on a survey more than 1 in 4 American children have cholesterol level of…

Q: The average grade for a group of students in a statistics exam was 85 points, with a standard…

A: The mean is 85 points and standard deviation is 3 points.

Q: Give two reasons why it would be necessary to examine a sample of the shirts produced rather than…

A: Give two reasons why it would be necessary to examine a sample of the shirts produced rather than…