A birthday party host plan for 20 people, but 17 actually attended. What is the percent error?

Q: A client just pald $40,300 for a diamond necklace. If the percent markup based on cost is 120%, what…

A: By using the formula you can solve the given problem as follows :

Q: 2. A birthday party host planned for 20 people, but 17 actually attended. What is the percent error?

A: Given that a birthday party host planned for 20 people, but 17 actually attend. From these data it…

Q: What is the probability of the ball landing on 21 playing Roulette? Make sure to round to 2 decimal…

A: Roulette has numbers 1 through 36 inclusive

Q: Which survey question is biased? O a) Does the media impact politics? O b) Is eating fruit good for…

A: A leading question prompts the respondent to answer in a particular way. Leading questions are…

Q: The Sports Brand Company is making a new shoe that has a wholesale price of $60, and it wishes to…

A:

Q: legally purchase alcohol in the State of Oregon (students who are 21 or over). If we want the margin…

A: Given that  Margin of error =E =5% =0.05 90% confidence interval.  NOTE:- According to bartleby…

Q: Determine whether you would take a census or use a sampling process to find the average age of the…

A: A survey, which tries to include all of the population units in the sample, is defined as census.

Q: Find 54th percentile, P54, from the following…

A: Enter the data in excel as shown below

Q: 1. A student estimated that it would take 3 hours to write a book report, but it actually took her 5…

A:

Q: The employees of a local manufacturing plant pledged the following donations in dollars to the…

A:

Q: Find the Margin of Error for a survey based upon the sample size. Round to the nearest tenth of a…

A: Margin of error of a survey is given by the formula 1n where n is the sample size. 3. Given sample…

Q: 95 percent divided .025 what is the z score?

A: The z-score is obtained as given below: PZ≤z=0.025z=ϕ-10.025=-1.96  Using Standard normal table

Q: There are 5 questions on a multiple choice exam, each with five possible answers. If a student…

A: One question has 5 options and only one is correct.

Q: 3. The veterinarian at the Maryland Zoo predicted that the new baby chimp Maisie weighs 7.2 pounds.…

A: Given that the veterinarian at the Maryland zoo predicted that the new baby chimp,  Maisie weighs…

Q: (b) What percent of homes for sale have porches or pools? = (c) What percent have neither a porch…

A: X: Real Estate Ads Y: Porch P(X) = 0.48 P(Y) = 0.35 P(X and Y) = 0.18

Q: Find P65, the 65th percentile.

A: Normal distribution is the most widely used distributions . All mathematical complexities get easily…

Q: Martha Quinn is interested in the proportion of fast to slow songs she will play today.  She takes…

A: In this method of selection, each song have equal probability of getting selected and the selection…

Q: The state transportation commission counted cars traveling east and west across a toll bridge. The…

A: Given,the total no.of cars=320and 144 of 320 cars were traveling east

Q: What is the margin of error for a poll with a sample size of 450 people? Round your answer to the…

A:

Q: If N= 36,500 and n = 387, what is the proportion?

A: Proportion is defined as the ratio of two similar quantities. Here, the proportion is defined as the…

Q: As part of a food drive, four friends collected canned food. Cans of food collected Bobby Joey Bruce…

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: If the proportion of Heads is .45 out of 200 flips, what is the p-value?

A: The proportion of Heads is .45 out of 200 flips.

Q: Briefly explain how the officer collects the sample based on stratified sampling

A: Stratified sampling is the type of sampling where we divide our population into different strata,…

Q: Juana took a English ACT exam involving 30 reading and 20 writing questions. She got 80% of the…

A: Given: Number of reading questions=30 Number of writing questions=20 Now, Number of questions she…

Q: Cricket’s is a popular club for students from the nearby college. The club had 840 customers during…

A:

Q: Find the margin of error and the sample mean ( 7.14,9.50)

A:

Q: 4. Ms. Ellis expected 50 families to attend parent-teacher conferences, but 60 families attended.…

A: To calculate the percentage error

Q: What is the margin of error for a poll with a sample size of 2000 people? Round your answer to the…

A:

Q: Name the type of sampling/study: Joey could not find out how to break the student into groups, so he…

A: Here we will use the concept of census Census :- collection of data of each and every person in the…

Q: In replacing 125 lamp bulbs, an apprentice breaks 10. What is the percent of broken bulbs? 0.8% O…

A: Given that, in replacing 125 lamp bulbs, an apprentice breaks 10.

Q: What is the margin of error for a poll with a sample size of 1450 people? If you round the answer to…

A: We know that   Margin of error  for a pole with n people is given by   Margin of error=±100n

Q: Find the margin of error and the sample mean    ( 72.5,86.3)

A:

Q: Find the Margin of Error for a survey based upon the sample size. Round to the nearest tenth of a…

A: 1. The given sample size is 32.   Obtain the margin of error as follows: Margin of…

Q: In the upcoming election for governor, the most recent poll, based on 900 respondents, predicts that…

A: From the given information, In the upcoming election for governor, the most recent poll, based on…

Q: In replacing 125 lamp bulbs, an apprentice breaks 10. What is the percent of broken bulbs? O 0.8%…

A:

Q: isha has a remarkable skill with coin-tossing.  Out of ten coin tosses, her coin comes up Heads…

A: Given Information: Aisha has a remarkable skill with coin-tossing. Out of ten coin tosses, her coin…

Q: a. At Virginia Tech, 80.5% of 26, 273 students were undergraduates in fall semester 2014. How many…

A:

Q: Country. 4. Use the data in Item 3, and round your answer to the nearest whole percent. What percent…

A: Writing the given cross-tabulated data:   Soccer Cross-country Totals JV 22 32 54 Varsity 18…

Q: One hundred kids were asked to name their favorite sport, and the results are shown in the pie…

A:

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

A:

Q: When the Standard Score = -2, what is the percentile of the raw score? O 2nd O 14th 16th 34th 84th

A: Given that, Standard score = -2

Q: What is the percent of people who are left handed? (Round to the nearest whole percent) Gender…

A:

Q: If the proportion of Hs is .45 out of 50 flips, what is the p-value? Round to three places.

A: We have given that Sample proportion =0.45 Sample size (n)=50 flips  Population proportion p=0.5…

Q: If the proportion of Hs is .25 out of 200 flips, what is the p-value? Round

A: Here proportion of head in fair coin should be 0.5 So take hypothesis with proportion p is 0.5 or…

Q: On a quick survey, respondents had to pick their favorite dessert from ice cream, cake, chocolate,…

A: Fraction of respondents pick ice-cream=25Fraction of respondents pick chocolate=13Fraction of…

Q: At a local dunkin donuts a survery showed that out of 1060 customers eating lunch 318 ordered coffee…

A: Probability: The ratio of the number of favorable outcomes to certain event and total number of…

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

A:

Q: What is the 84th and 22nd percentile and what is the 7th and 9th decile

A: Solution To find the percentile and decile we will use Excel

Q: is the 95th percentile finish time, ? 95? (Round your answer to nearest tenth

A: To calculate the 95th percentile of a normal distribution, we used the formula as: X=μ+Zσ Where 'X'…