In a survey 300 adults were interviewed, 123 said they had yearly medical checkup. Find the 95% for the true proportion of adults having vearly medical checkup.

Q: The failure rate for taking the bar exam in Philadelphia is 41%.  If 375 people take the bar exam,…

A: Given that, The failure rate for taking the bar exam in Philadelphia is 41%  i.e. probability, p =…

Q: Find the proportion of employees who take at least three personal days.

A: Given : Let random variable "X"  represent the number of personal days the employees take in a year…

Q: Out of 300 students in the school, 225 passed an exam. What would be the mean of the sampling…

A:

Q: Compare the married and divorced groups in the very happy category with reference to their…

A: Given: A: Married people B: Divorced people X: Very Happy people XA=600  nA=1413     XB=93  nB=485…

Q: In 2017, 77 out of 100 Americans claimed to have read at least one book during the year. Write this…

A:

Q: When 345 HS students were surveyed, 125 said that they completed a driver's education class prior to…

A:

Q: Determine whether or not this statement makes sense. Nielsen  Media  Research  determined  the…

A: Given statement is: Nielsen  Media  Research  determined  the precise  proportion  of  all Americans…

Q: Estimate what percentage of the class received a B

A: Introduction: In a pie chart, the complete circle of 360 degrees indicates the complete, 100% of the…

Q: At a local Dunkin’ Donuts, a survey showed that out of 1,090 customers eating lunch, 327 ordered…

A:

Q: When 3,011 adults were surveyed in a Pew Research Center poll, 73% said that they use the internet.…

A: Given Information: n = 3011 ¾ of all adults use the internet (p)  = 75% = 0.75   = 73% = 0.73 Step…

Q: Report the proportion of the 370 students based on mobile phone brands as a percentage. Apple  269…

A: The percentage of a category can be calculated by dividing the frequency of the category by the…

Q: If 55% of the books have been signed out, what percent of the books have not been signed out?

A: Given that: According to the question, 55 % of the books have been signed out. Signed  out=55…

Q: What percentage of scores would be above 567?

A:

Q: A group of preschoolers has 15 boys and 12 girls. What is the ratio of girls to boys as a…

A: The group has, 15 boys and 12 girls. So, the ratio of girls to boys is, 12 : 15 = 4 : 5

Q: what are the percentages of each individual fruit?

A: What are percentage of each individual

Q: The median salary of the 1,264 teachers in a large public school district is $39,350. If the 66th…

A:

Q: In a recent study, 46% of people enjoy country music.  If 200 people are surveyed about their…

A: Given : Proportion (prop.) of people enjoy country music p = 46% = 0.46 Sample size of people n =…

Q: In a village actually invaded by anthrax, 65% of the gouts were attacked and 90% have been…

A:

Q: When 445 junior college students were​ surveyed, 135 said that they have previously owned a…

A:

Q: A recent study of young executives showed that 30 percent run, 20 percent bike and 12 percent do…

A: Note: Hi there! Thank you for posting the questions. As there are several independent questions,…

Q: In a comparison taste test of two juice drink 780 people preferred Cranberry Blast.Only 220 people…

A: In a comparison taste test of two juice drink 780 people preferred Cranberry Blast.Only 220 people…

Q: In a survey of 1150 adult males, 805 said they use the Internet. In a survey of 1050 females, 746…

A: There are two dependent variables which are males and females. The independent variable is using of…

Q: A random sample of 302 Californians found that 129 support Measure A. Build a 88% Cl for the…

A: Given that  Random sample size (n) = 302 Supported measure A = 129   Sample proportion (p) =…

Q: There are 1,000 students in a college. Out of 20,000 in the whole university, in a study 200 were…

A:

Q: When 410 college students were surveyed,150 said they own their car. Find a point estimate for p…

A: Given Data: The number of college student was surveyed is: n=410 The number of a student owning…

Q: In a class of 10 students, James got 3rd position from the lowest. What is his percentile rank?

A: Given data: In a class of 10 students, James got 3rd position from the lowest. To find: What is his…

Q: what percentage of bus drivers had 3 or more traffics acccidents

A: From the provided information, Sample size (n) = 700 Total frequency of 3 or more traffic accidents…

Q: In a village actually involved by anthrax, 70% of the goats were attacked, 85% have been inoculated…

A:

Q: What does the test of a single proportion entail?

A: The One-Sample Proportion Test is used to assess whether a population proportion (P1) is…

Q: In 2015, the median family income in the United States was $66,650. (Source: U.S. Census Bureau) If…

A: Given information Median family income = $66650 90th percentile for 2015 four-person family income…

Q: A random sample of 144 residents in a community produced 88 residents testing positive for the…

A: Null Hypothesis: H0:p=0.5 Alternative Hypothesis: H1:p≠0.5 Given information:…

Q: In a survey of 3121 people, 412 are under-vaccinated. What is the proportion of under-vaccinated…

A: Given data, Total no of people n=3121 No of people under vaccinated is x=412 What is the proportion…

Q: A school knows that 38% of its incoming students own a smart phone and a tablet. What percent of…

A: Let S be the set of students with smartphone and T be the set of students with tablet Percentage of…

Q: What percentage of the widow Students are female

A:

Q: In a sample of 169 students, 16 said they have donated blood. What percent of the students have…

A: Given that, In a sample of 169 students, 16 said they have donated blood.

Q: What percent of students preferred iced tea?

A: Total number of students = (840+390+830+510+430) = 3000 Number of students who preferred iced tea =…

Q: A die with six sides is rolled three times. What is the chance that the ace (single dot) comes up…

A:

Q: In a series of houses actually invaded by smallpox, 70% of the inhabitants are attacked and 85% have…

A: Suppose A & B be two events. Then we know, (A∪B)=(A)+(B)-(A∩B). Consider from the problem that,…

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: What percentage of the widow students are  female

A: Total widowed students=2+3=5Total female students who are widowed=3

Q: Find the probability of selecting either a non-smoker or a woman when you select a person at random…

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Q: What is the fraction of deaths that happened before 2012?

A:

Q: In a survey of 1150 adult males, 805 said they use the Internet. In a survey of 1050females, 746…

A: From the provided information,

Q: What is the sample proportion

A: Claim: More than half of the population believes that passwords should be replaced with biometric…

Q: Complete the table and determine what percent of the people have exactly zero sibling(s)?

A: Here it is given that , 210 people are asked how many siblings they have. So it means that , you're…

Q: A biologist looked at the relationship between number of seeds a plant produces and the percent of…

A: Here AS PER POLICY I HAVE CALCULATED 3 SUBPART PLZ REPOST FOR REMAINING PARTS

Q: In a poll of 480 universities students, 220 said they were opposed to legalizing marijuana estimate…

A: We have to find correct answer..

Q: To determine the proportion of voters who favor a certain candidate for governor, the campaign staff…

A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.