Problem 3A bowl contains 13 balls of various colors:color turquoise red copper chartreuse tealballs in bowl 2 2 144Consider drawing a random sample of size 10 with replacement from the bowl.Fill in the following table of expected values of the numbers of balls of each color in the random sample.Fill in the expected valuescolorturquoiseredcopperchartreusetealexpected number (Q3)(Q4)(Q5)(Q6)(Q7)Consider the following possible outcome of drawing the random sample:The probability of this outcome is (Q8)colorballs in sampleturquoise red copper chartreuse teal3 0 1 2 4The chi-squared statistic for this outcome is (Q9) |Is the chi-square curve with 4 degrees of freedom a good approximation to the probability histogram of the chi-squared statistic for a random sample of size 10 withreplacement from this bowl? (Q10) ? ▾

Step 1: Expected Values (Q3 to Q7) A bowl contains 13 balls of various colors: turquoise (2), red…

Answered: Problem 3 A bowl contains 13 balls of…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Are birthdays "evenly distributed" throughout the year, or are they more common during some parts of the year than others? Owners of a children's toy store chain in the Northwest asked just this question. Some data collected by the chain are summarized in the table below. The data were obtained from a random sample of 190 people. The birthdate of each person was recorded, and each of these dates was placed into one of four categories: winter (December 21-March 20), spring (March 21-June 20), summer (June 21-September 20), and fall (September 21-December 20). The numbers in the first row of the table are the frequencies observed in the sample for these season categories. The numbers in the second row are the expected frequencies under the assumption that birthdays are equally likely during each season of the year. The bottom row of numbers gives the following value for each of the season categories. Answer the following to summarize the test of the hypothesis that birthdays are equally…
Ecologists conducted a study to investigate the potential ecological impact of golf courses. Investigators monitored the reproductive success of bluebirds in birdhouses at nine golf courses and ten similar birdhouses at nongolf sites. Data on nests in birdhouses occupied only by bluebirds are shown in the table. If the proportions of nests occupied is the same for golf and nongolf sites, what would be the expected count of birdhouse with 1 nest in nongolf locations? O nests 1 nest Total 2 or 3 nests Golf 30 42 8 80 Nongolf 40 58 22 120 Total 70 100 30 200 50 b 42 60 d. 58 e 40 O O O O O
A researcher is comparing the effectiveness of three devices designed to help people who snore. There are 210 people who snore participating in the experiment. Using a table of random digits starting from the first row and column, the researcher will randomly place the participants into three equally sized treatment groups suitable for comparison. Which number range would be needed to label the subjects correctly? O 0-2 O 1-3 O 000-210 O 001-210
2. A coffee shop offers four different blends of coffee. A taste was conducted and 100 randomly chosen individuals were asked which blend they liked best. The answers were as follows: Blend Chosen by 1 20 2 30 3 35 4 15 Table 1: Coffee Preference (a) Define the experiment being conducted. How many times was it repeated? (b) What probabilities would you assign to the preference to each blend? What method are you using?
The expected proportions of colors of M&Ms according to the Mars candy company can be found in the table below. In addition, the table contains the number of M&M's of each color that were found in a case of candy. At the 1% level, do the observed frequencies support the claim of M&M? M&M Observed Counts and Expected Proportions blue brown green orange red yellow Total Observed Frequencies 474 379 489 550 363 359 2614 Expected Proportion 0.24 0.13 0.16 0.2 0.13 0.14
10
46% of all statistics classes require an advanced calculator and 38% require the use of a computer that has statistical software. Of the classes that require an advanced calculator, 18% also require the use of a computer. If a statistics course is selected at random find A. P(Advanced Calculator) = [ Select ] ["0.57", "0.38", "0.18", "0.46"] B. P(Statistical Software) = [ Select ] ["0.38", "0.57", "0.46", "0.18"] C. P(Require an Advanced Calculator and Statistical Software) = [ Select ] ["0.1259", "0.1748", "0.0828", "0.8335"] D. P(Require an Advanced Calculator GIVEN Require Statistical Software) = [ Select ] ["0.3515", "0.18", "0.2184", "0.9716"]
Could you please help me with the following question
Problem 3 A bowl contains 12 balls of various colors: color silver magenta umber copper balls in bowl 2 3 Consider drawing a random sample of size 6 with replacement from the bowl. Fill in the following table of expected values of the numbers of balls of each color in the random sample. color expected number (Q3) silver Fill in the expected values magenta (Q4) (Q5) umber balls in sample 1 color silver magenta umber copper 2 1 2 (Q6) Consider the following possible outcome of drawing the random sample: copper The probability of this outcome is (Q7) The chi-squared statistic for this outcome is (Q8) Is the chi-square curve with 3 degrees of freedom a good approximation to the probability histogram of the chi-squared statistic for a random sample of size with replacement from this bowl? (Q9) no
4. Make a “tree” diagram for the following scenario. You go to the corner of State St. and Center Ave and are looking to see if the drivers of the first three cars that pass by you are wearing hats or not wearing hats. a) Generate the probability distribution for problem number 4 assuming that the probability of a driver wearing a hat is 40% and the random variable x is the number of drivers wearing a hat. b) Find the mean, variance and the standard deviation of the probability distribution in part a. Please show all work.
4. A third year HRM student did a research on the level of service being provided by the school canteen. The following table shows the results of her study. The manager of the canteen would like to know whether the data gathered by the student apply to the professor of the university. He asked randomly selected 60 professors. The following table shows the data he collected. Frequency of Responses Percentage professors (Observed) Excellent 30 5 Good 40 15 Fair 20 20 Рor 10 10

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