Xylem Park hosts many expos to teach the public about plants. Last year's desert plant expo featured cacti. Among the 7900 plants at the desert plant expo, 5000 were cacti. At that expo, the organizer took a sample of 49 plants. He found that 36 of these plants were cacti. For the organizer's sample, find and write with proper notation the sample proportion and population proportion of plants that were cacti. Write the proportions as decimals (not percentages) rounded to two decimal places. (a) Sample proportion: (Choose one) ▼ (b) Population proportion: (Choose one) ▼

Q: Find the number of distinguishable arrangements of the word "EMPATHY".Your answer is :

A:

Q: B) People shopping at the grocery store are interviewed to see whether or not they enjoy artichokes.…

A: In this case, each sampled person has the only options of "like" (defined as success) or "dislike"…

Q: In​ Lindsay's class, there were three students who scored 80 on a test and six students who scored…

A:

Q: Marcus rolls 2 number cubes, each numbered from 1 to 6. He rolled an even sum 16 times and an odd…

A: Given that  The Even sum is 16 times The Odd sum is 10 times  The relative frequency is the ratio of…

Q: During each six week grading period, the students in Mr.Welsh's math class are allowed to drop their…

A: We know, the measures like mean, variance, mean deviation are depends on all the data points.  Also…

Q: Nolan surveyed 7 teachers from each academic department at school. Each department has an equal…

A: Given: 7 teachers from each academic department surveyed Each department has an equal number of…

Q: Kala has two ways to travel from her home in Norco to her office in Los Angeles. One is to go via…

A: There are two independent samples which are 10 Freeway and 60 Freeway. We have to test whether the…

Q: Mrs. Feleo samples her class by selecting every ninth person on her class list. Which type of…

A: Mrs. Feleo samples her class by selecting every ninth person on her class list

Q: Write the Sample space, outcome or event of the ff: 1. A couple has 4 children. If 2 of their…

A: The total outcomes of couple has 4 children is, Therefore, the total no.of outcomes are, 16

Q: 155 students were surveyed about their social media usage. 72 students said they post on Instagram…

A:

Q: Of the 300 visitors polled,O liked to ski or snowboard. (Type a whole number.)

A:

Q: Which types of car were driven by more than 623 respondents in the survey?

A: Here use proportion from given pie chart And calculate no of people drive that type of car

Q: Suppose that a researcher is studying the wingspans of wild condors. To study this the researcher…

A: The following solution is provided below

Q: A researcher divided subjects into two groups according to gender and then selected 200 members from…

A: Since we know that In stratified sampling we divided homogeneous groups from the heterogeneous…

Q: Of the 328 patients that completed the survey last year, 211 of them claimed to be returning…

A: Given: 328 patients completed the survey 211 patients returning

Q: A local politician running for school board wants to know where he is ranked in the polls before the…

A: This question is part of sampling methods for political party. Since it is rarely possible to poll…

Q: Please use the given information to answer subquestions 10.a, 10.b, and 10.c

A: As sample size increases, the prediction interval becomes narrower. Hence among sample sizes 350,…

Q: Find the mode of the following number of stingrays spotted by each person during a snorkeling trip.…

A: Given data values: 11,5,7,5,11,1,7,4,1,7,7 The value 11 is repeated 2 times. The value 5 is repeated…

Q: If the aggreat is 30 and the mean is 10. How many sets of numbers are used

A: According to the provided information, The aggregate is 30 and the mean is 10

Q: When taking a 32 question multiple choice test, where each question has five possible answers, it…

A: According to range rule of thumb observation above 2 standard deviation of mean and observation…

Q: The table below shows how many employees owned 0, 1, 2, or 3 cars in a company made up of 15…

A:

Q: The following are the grades of 16 students in Life and Works of Manny Pacquiao subject:…

A: Given data of the grades of students in life and works of manny pacquiao subject:…

Q: Find the mode of these test scores: Test scores 100,75,80,90,80, 100,92,88,80,84,81

A: Test scores 100,75,80,90,80, 100,92,88,80,84,81

Q: The names of all 50 students in a class are written on identical slips of paper, and the slips are…

A: The sample can be drawn from population in different ways. Some of the basic sampling methods are…

Q: Determine which Group Person Sample is being used in the following Scenarios Mr. Stover wants to…

A: Introduction: It is given that Mr. S first collects data on the favorite color of all his students.…

Q: Describe the factors that must be considered when constructing the questions to be used in the…

A: The results of the survey highly depend on the construct and type of questions in a questionnaire.…

Q: Write down the fraction of people in this study who are citizens of Country A and have Blond hair.

A: Black BlondBrown redtotal Country A 10131515060626Country B12522713158541Country…

Q: Do what is ask. Show complete solution The Commission on Higher Education is conducting random drug…

A: To take a random sample of 10 students from the 672 students, write the names of all students on…

Q: Find the mean, median and mode of the given set of numbers: 2, 5, 3, 6, 4, 9, 7, 6, 9, 11 Select…

A:

Q: A survey found that 58% of American adults said they use the Internet. If 20 American adults are…

A: Answer - A survey found that 58%   i.e P = 0.58               n= 20,    x = 12

Q: Sample proportion: (Choose one) Population proportion: (Choose one) v

A: Given: n1 = population size = 49 n2 = sample size =71 x1 = number of favorable cases in population =…

Q: A study was conducted to investigate a relationship between the colors of helmets worn by motorcycle…

A: When the given sample size is less than 30, then we use a small sample test in hypothesis testing.…

Q: mean of the set of numbers is 17. Find the value x, if sample values are:   12, 18, x, 21, 13

A: Given that  Mean = 17  The data are 12, 18, x, 21, 13

Q: An online survey was conducted to gather feedback from current US college students regarding their…

A: The objective is to specify the appropriate research question for the conclusion that the students,…

Q: Scott surveyed 40 friends on Facebook and asked them where they were born and where they went to…

A:

Q: How many different letter arrangements can be made from the letters in the word STATISTICS?

A: Given word is STATISTICS Here, Total words are 10 S is repeating 3 times T is s repeating 3 times I…

Q: a) The following variables represent numbers ranked from lowest to highest: A, B, C, D. Write the…

A: a) Median: Median is the middle most value of a set of observations.

Q: Students were asked which social media app they are most active on. The responses are reflected in…

A: Given that the students were asked which social media app they are most active on.  And the…

Q: Identify the type of sample ( Experimental or Observational) Then tell if the sample is biased…

A: The researcher stands at a shopping mall and selects the first 75 shoppers as they walk by to fill…

Q: A random sample of 30 males between ages 25 – 40 is taken for a health and fitness study. Following…

A: Here: x=78.33s=7.28n=30z=1.645 for 90%       1.96 for 95%       2.326 for 98%