A biologist is sampling randomly from a population of 1000 birds of which 22% are cassowaries, 18% are hornbills, 15% are kingfishers, and 14% are trumpeters. What is P(third-largest kingfisher | kingfisher)?   Correct Answer: 0.01 How do we get to this answer? Why isn't it 0.001? Thank you.

Q: Last year, Groton, Georgia, had 512 burglaries. The police chief wants to know the average economic…

A: Given, the average economic loss associated with burglaries in Groton. n=10 a). The required sample…

Q: A researcher investigating a new product for clearing up acne selects a random sample of…

A: Here the number of subparts  is more than three and according to the guideline we need to answer…

Q: The campus bookstore at a local university is interested in finding out whether the textbook…

A: Researcher aim t find whether textbook preference and class level of the student are associated or…

Q: If a study was counting cells on a petri dish and listed an of n=25, what would the df be for the…

A:

Q: A grocery store manager wants to know if displaying cranberries near the entrance to the store…

A: P1 : Proportion of shoppers who buy Cranberries when they are near the store entrance. P2 :…

Q: A coach is interested in how many cartwheels the average college freshmen at his university can do.…

A: The coach is interested in how many cartwheels the average college freshman can do at his…

Q: At an investment bank, 75% of the clients have at least 1m in their account.Futhermore suppose that…

A: It is given that 75% of the clients have at least 1m in their accounts. Further, 60% personally…

Q: A scientist wants to know if education level and marital status are related to all people in some…

A:

Q: A city planner is studying the need for affordable housing in the city's Urban Planning Department.…

A: Given data A city planner is studying the need for affordable housing in the city's urban planning…

Q: the brand name of certain chain of coffee shops has a 56% recogntion rate in the town of Coffleton.…

A: From the provided information, The brand name of certain chain of coffee shops has a 56% recognition…

Q: In a random sample of 80 Americans, 44 wished that they were rich. In a random sample of 90…

A: Given p^1=4480=0.55p^2=4190=0.45Level of significance=0.01 Null and alternate hypothesis is given…

Q: Normal Amount of Food at Lunch/ Yes:NO Students Hours of sleep S1 S2 7.5 Yes 7 Yes S3 7 No S4 8 Yes…

A: 23 Stuedents answered two Question  - How many hours of sleep did you get last night?- How much did…

Q: In a random sample of 80 Americans, 55% wished that they were rich. In a random sample of 100…

A: Given, Americans : Sample size = n1 = 80 Sample proportion = p^1 = 0.55 Europeans : Sample size =…

Q: If a researcher were to increase a sample size from n = 30 participants to n = 80 participants, what…

A: Increase power

Q: 60% of the voters favor Ms. Stein. If 250 voters are chosen at random, what is the expected number…

A: We have given that  p = 60% = 0.60 n = 250 X ~ B( 250, 0.60 ) In Binomial distribution, Expected…

Q: Zach ,a Quality Process Engineer for Hershey Chocolates, pulled 16 random kisses from duction and…

A: For the given information, sample mean=0.1608=AVERAGE(E1:E16) sample standard…

Q: 7- Goodyear Tires claims that their new all-season tires are expected, on average, to last at least…

A: Since, Population standard deviation is unknown thus t test conducted.

Q: In a fishing lodge brochure, the lodge advertises that 75% of its guests catch northern pike over 20…

A:

Q: For its "Music 360" survey, Nielsen Co. asked teenagers and adults how each group has listened to…

A: Solution

Q: A market researcher obtains a sample of 50 people by standing outside a store and asking every 20th…

A: Here the sample size n = 50 A researcher obtains data from every 20th customer.

Q: thas 6400 registered voters. There are two candidates for City ming election: Brown and Feliz. The…

A: Given that City of Raleigh has 6400 registered voters & They have wo candidate Brown and Feliz…

Q: Q1, A food company is planning to market a new type of frozen yogurt.  However, before marketing…

A: State the hypotheses. That is, the true proportion of the people like the yogurt is equals 0.35.…

Q: Q2. A consumer survey was conducted to determine the amount of money spent on food per month in…

A: 1] The average total income =23,000 RO 2] Sample data Total Income x 30000 40000 25000 10000…

Q: 13. A basketball playel-makes 65% of her shots from the field during the season. 52711 38889 93074…

A: Random variables mean the number of variables selected from the total number of observations. This…

Q: In SPSS , for a one sample t test, to find your p value for a one tailed test, multiply the p value…

A: Given statement, for a one sample t test, to find your p value for a one tailed test, multiply the p…

Q: Name the sampling method in the following situation: A curling coach wants to know if his team…

A: option (A) simple random sampling is the correct answer

Q: A researcher surveyed two different samples of a town's population to determine wheth residents…

A: Given that;

Q: A researcher is interested in differences among blondes, brunettes, and redheads in terms of…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: Harry has 4 coins. If Harry flips all the coins at once, how large is the sample space?

A: A coin has two sides, head, and tail.  So for each coin, there are 2 possible outcomes.  There are 4…

Q: Forty-eight percent of all Californians registered voters prefer life in prison without parole over…

A: Solution Given, 37.6% of all Californians are Latino. And  the event L is denoted as  L= Latino…

Q: A restaurant is planning to remove fried chicken from the menu. Sales are said to have fallen below…

A:

Q: The CEO of a company wants to determine if taking the employees to a company retreat would boost…

A:

Q: A researcher investigating a new product for clearing up acne selects a random sample of…

A: Central tendency: Mean is calculated by the sum of all the observations divided by the total no. of…

Q: Rufus Scrimgeour is interested in the rate of raids on Ministry of Magic regional offices.  To do so…

A: It is an example of Simple random sampling

Q: A machine puts out 10 defective units in a sample of 200 units. After the machine is overhauled it…

A:

Q: Supposed that in the past, 10% of women in the Philippines have severe dysmenorrhea. Do we have…

A: Followings are the answer of the questions The following information is provided: The sample size is…

Q: A professional basketball star who had a reputation for being a poor free throw shooter made 5210 of…

A: For case one the required proportion P is calculated as: P=Number of free throws that were made…

Q: For its "music 360 "survey, nielsen co asked teenagers and adults how each group has listened to…

A: (a)   Determine whether the binomial setting can be applied or not.   The given experiment is…

Q: f a random sample of 165 is taken from the entire population by systematic sampling. From which…

A: Systematic sampling: When the population units occur in a sequence or pattern and a sample of size n…

Q: Canvas generates a random exam by picking 7 questions from a bank of 10 questions. How many…

A: Here 10 Questions  We have to Pick 7 of them for exam

Q: A small shop owner wants to see how much people are spending at her store, so she numbers all the…

A: Sampling methods: In simple random sampling, all the units in the population have equal chance of…

Q: For its “Music 360" survey, Nielsen Co. asked teenagers and adults how each group has listened to…

A: Given: n=10p=0.35

Q: On a casual day it was found that 12% of the learners wore their favourite t-shirts. The remaining…

A:

Q: Canvas generates a random exam by picking 6 questions from a bank of 9 questions. How many different…

A: Given : Question bank contain 9 questions .  n = 9 Picking 6 question from question bank for…

Q: Zach ,a Quality Process Engineer for Hershey Chocolates, pulled 16 random kisses from production and…

A: The sample of 16 kisses were pulled out from production.

Q: A farmer sows 100 seeds of a new type of corn and wants to quickly determine the yield, or total…

A: Here the population size = 100 Digits for representing the population : 00-99 (2 digit number)

Q: A professional basketball star who had a reputation for being a poor free throw shooter made 5236 of…

A: (a). Check whether the proportion of successful free throws P from the simulation reasonably close…

Q: To survey clients at a massage-therapy spa, a researcher alphabetically lists all of the customers…

A: Procedure used is that the researcher sends a survey to the 13th person on the list (with the number…

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.