1.) I want to estimate the proportion of adults who like sci-fi movies. How many people should I poll to be 96% confident that I am within 1% of the population proportion?

Q: The researcher claims that the proportion of birth count in four quarters are equal. Th observed…

A: Null Hypothesis: H0: The proportion of birth count in four quarters are equal. Alternative…

Q: a. What are the estimated sales for the Bryne store, which has four competitors, a regional…

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

Q: If three out of every eight trick-or-treaters that came to your house last Halloween were dressed as…

A: Simplify to get the answer.

Q: survey was given to 9090 high school students. They were asked if they preferred fiction or…

A: Given query is to find the percent of students in the survey,  prefer outdoor activities given they…

Q: )How many plants have heights between 10 and 25 inches? b) How many plants have heights more than 15…

A: a)How many plants have heights between 10 and 25 inches? plants have heights between 10 and 25…

Q: The International Brotherhood of Slide Whistlers wants to conduct a survey to find what proportion…

A: Let COnfidence interval be 90% Zc=1.645 E=3%=0.03 p=0.5 n=?

Q: 37. Whatis the proportion of single women among those who are 30-44 years old? 38. Of the to tal…

A: The following information can be obtained from the table: Number of single women who are 30-44 years…

Q: ching basketball to football?

A: We have to use % formula to solve the problem

Q: A research report from an independent-measures study states that there are significant differences…

A: It is given that the numerator (treatments) degrees of freedom is 2 and the denominator (error)…

Q: 14) A researcher at a major clinic wishes to estimate the proportion of the adult population of the…

A:

Q: (b) What is the proportion of wolves that are female but do not hunt in medium-sized packs o are not…

A: Hi, the question have the multiple sub-parts and as per the guidelines I am obliged to answer first…

Q: In a sample of 508 men who worked at home, 32% of them were college graduates. a.) Among the 508 men…

A:

Q: What percentage of the sample were female drivers?

A: It is given that Total = 5+7+11+9 = 32 Number of females = 7+9 = 16

Q: When the members of the Eye and I Photo Club discussed what type of film they had used during the…

A: Let, B&W= Black and white I=Infrared C=Color

Q: 1. Suppose you have a 88 on your daily assignments, 94 on your major tests, and a 80 on your final.…

A:

Q: 1.Fill in the missing information Male Female Total Pet 15 20 No Pet 8. Total 19 43 2.How many males…

A: The solution is in step 2

Q: What percentage of buyers paid between $14,500 and $16,000? %

A: Here Given Figure for the Normal distribution with  Mean=μ=$16,000σ=$ 500

Q: A pollster wishes to estimate the proportion of United States voters who favor capital punishment.…

A:

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: Say that there are five populations, and we need to test for difference of population means.  If we…

A: Say that there are five populations, and we need to test for difference of population means. We test…

Q: Kai'Sa is doing her best to maintain her figure by following a strict calorie counting process.…

A: Given data Hypothesized mean µ= 370 Sample mean = 383 Sample Standard deviation s = 70 n = 60…

Q: 1. Construct a table using the following diagram. Number of cigarettes consumption per adolescent…

A: Given, The chart is given,       To find, From the chart construct a data table.

Q: What percentage of students guessed between 41 and 44

A:

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

A:

Q: 13. Does the last column of percentages in the table add up to 100%?Check the researchers'…

A: 13. The last column of percentages is given as: % 20.6 5.9 12.4 18.3 14.4 11.1 9.5…

Q: A researcher wants to determine what proportion of all high school students plans to attend…

A: Obtain the critical value at 90% confidence level:It is given that the margin of error is 0.02. The…

Q: 7) A researcher at a major hospital wishes to estimate the proportion of the adult population of the…

A: Given that, Critical value: Using the z-table, the critical value at 99% confidence level is

Q: A sample of size 26 was gathered from high school seniors to estimate how many intended to attend…

A: Given that  Sample size (n) = 26 The proportion answering Yes (P) = 0.9 P = 0.9 ; Q=1-P = 1-0.9 =0.1…

Q: What percentage of people are men who like movies?

A:

Q: 19 2. How can you tell whether a greater percent of customers surveyed selected veggie burger or…

A:

Q: An educator desires to estimate, within 4%, the true percentage of high school students who study at…

A:

Q: A pollster wishes to estimate the true proportion of US voters who oppose capital punishment. How…

A: Given information Error = 3.5% = 0.035 Confidence level = 0.90

Q: The Arizona Department of Transportation wishes to survey state residents to determine what…

A: Suppose p̂ is the sample proportion of the population, who would like to increase state-wide…

Q: Out of 1000 people surveyed, 850 said they like chocolate.  What proportion of people surveyed said…

A: Given: The total number of people surveyed is 1000 850 people said they like chocolate We have to…

Q: 1(a). What is the point estimate for the proportion of people who liked the chocolate bar?

A: here use given data

Q: a skeptical paranormal researcher claims that the proportion of Americans that have seen a UFO, p,…

A: It is given that the skeptical paranormal researcher claims that the proportion of Americans that…

Q: If six out of every eleven trick-or-treaters that came to your house last Halloween were dressed as…

A: Given, Dressed as witches [ trick-or-treaters that came to your house last Halloween]= 6/11

Q: 5. A study attempted to estimate the proportion of Florida residents who were willing to spend more…

A: Population: Population consists of the complete subjects that are included in the study for making…

Q: How large a sample is needed

A: Given :  Margin of error=E=3%=0.03 Significance level=α=0.01 The critical value is ,…

Q: The Arizona Department of Transportation wishes to survey state residents to determine what…

A: Given,margin of error(E)=0.04Let us assume sample…

Q: a hospital wants to estimate the percentage of admitted patients who receive Medicare benefits. if…

A: To calculate the minimum sample size require to be 95% sure that margin of error will fall within 4…

Q: e. What is the highest personal messaging frequency among the bottom 20% of employees in terms of…

A: We have to find the values for normal distribution using CLT.

Q: mr. One researcher wants to estimate the proportion of MU students who are vegetarian, 6 answered…

A: Sample size is 30. There are 6 students are vegetarians. The hypotheses are given below: Null…

Q: Suppose that the result of a public opinion poll shows that just 10% of people would be willing to…

A:

Q: Solve the following problem step by step please A newspaper does a survey of reading preferences…

A: 330=150(survey)+120(read electronic)+50(Physical)+10(do not read any format)

Q: What is the proportion of free apps available in the App store?

A: A survey of Android Apps bought in the App store, indicated that 50% were related to music, 30%…

Q: (a) What proportion of combined GRE scores can be expected to be over 163.4? (b) What proportion of…

A: mean = 150 s = 8.8

Q: What percentage of people eat fruits and vegetables and abstain from smoking, but do not partake in…

A:

Q: 72% of Americans said that they plan to travel in 2021, and 9% of those who plan to travelintend to…

A: For example we take 100 Americans 72% of Americans said that they planned to travel in 2021, 72% =…

Q: If five out of every eight trick-or-treaters that came to your house last Halloween were dressed as…

A: GIVEN: 5 out of every 8 trick or treaters that came to your house were dressed as cowboys.

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.