How many people at the clinic have blood type AB? Which blood type does the least number of people have? What is the blood type of each person at the clinic? What is the average age of people with the most common blood type?

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: n a class of 25pupil's their are 8individual who played in the hockey team.what percentage of class…

A: Given : Total no. of individual in a class (N) = 25 No. of individual who played in the hockey team…

Q: How many people took part in this survey? * The table shows data about what type of phones that…

A: To arrange the data of two categorical variables, two ways contingency table is used. The first row…

Q: Six different plug-in hybrid vehicles were tested for their electric-only driving range. The same…

A: We have to find the median .

Q: How many patients were lost to contact?

A: The given table shows the year of death, year of last contact, time and number at risk, number of…

Q: Age (yr) when award was won Frequency 20-29 29 30-39 36 40-49 14 50-59 60-69 70-79 80-89 4621

A: Given data of frequency distribution. Here he asked about the number of individuals included in the…

Q: List all the 21 sample.

A: Data set, 2,5,6,8,10,12,13 Tere are 21 ways to select samples of size 5.

Q: Who reports better self-rated health, married or unmarried individuals?  Group of answer choices…

A: Since a higher value of y means better self health and the coefficient of marital status is…

Q: A researcher randomly selected 100 adults aged 18-25 and 100 adults aged 50-60. Within each age…

A: Given, A researcher randomly selected 100 adults aged 18-25 and 100 adults aged 50-60. Within each…

Q: Parking at a large university has become a very big problem. University administrators are…

A: Population: The population of interest includes all the individuals of interest. The overall group…

Q: A survey among Harvard students was conducted. It is about their starting position when they sleep…

A: Do the collected data represent a sample or population? Explain your answer.

Q: Identify the population and the sample

A: here survey of 1248 american household founds that 91% of the household own DVD recorder here sample…

Q: 11) A manufacturer of cellular phones has decided that an assembly line is operating satisfactorily…

A: Solution: Population:  A population is a group of items or things or persons under study is known as…

Q: ANOVA df Regression 1 Residual 148 Total 149

A: we know that in the regression analysis the degrees of freedom for total is n-1 where n is the…

Q: How many success in the sample? How many failures in the sample? ? What size sample does the…

A: Answer:-  Given, n=1800

Q: 9) A survey of 1688 American households found that 14% of the households own at least two bicycles.…

A: Solution 9:  A survey of 1688 American households found that 14% of the households own at least two…

Q: Use the following frequency distribution table to determine how many subjects were in the study. Xf…

A: Given information- We have given the following frequency distribution table. x f 5 2 4 4 3…

Q: Disability causes 48% of all mortgage foreclosures. Given that 20 mortgage foreclosures are audited…

A:

Q: In a survey, 175 adults were asked whether they exercise and whether they are vegetarian. Their…

A: Given, Total number of adults = 175 Total number of vegetarians= 49+21= 70 Total number of adults do…

Q: How many people surveyed ?

A: The number of people information is included in a sample is the number of people surveyed.

Q: How many participants (total) were females?

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

Q: What percentage of the blocks are red?

A:

Q: About 5% of the population own a Playstation. 400 people are randomly selected. Find the mean for…

A: Given, Probability = p = 0.05 Sample size = n =400 By using normal distribution mean we calculate…

Q: A recent study attempted to estimate the proportion of Florida residents who were willing to spend…

A:

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: A math teacher asks each student how much time they spent studying for their last math test. She…

A: GIven statement, A math teacher asks each student how much time they spent studying for their last…

Q: what percentage of the women did not work?

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

Q: Which region has the largest population in this sample? What proportion live in that region? Which…

A: A percentage is a number or ratio which is expressed in terms of a fraction of 100. In other words,…

Q: The manager of a book store surveys people who buy mystery novels to see if the store should expand…

A: Given that, The manager of a book store surveys people who buy mystery novels to see if the store…

Q: Does the Midwest, or Northeast, seem to have a higher percent of graduates taking the SAT? State…

A:

Q: Calculate the appropriate measure of association for this study. Round to the nearest hundredth. In…

A:

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.