The mold Penicillium roqueforti is encouraged to grow in milk curds to produce the bluespotted and sharp-tasting blue cheeses. When grown on Czapek yeast autolysate agar,Penicillium roqueforti colonies grow with an average of 40 mm. in diameter. But cultivated ona malt extract agar, the penicillium colonies are expected to grow bigger. To verify this,Chatham Lurpak randomly sampled 16 Penicillium roqueforti colonies grown on petri dishesfilled with malt extract agar. The measurements of their diameters (mm.) are as follows:1. Using visual inspection with the given histogram and Q-Q Plot below, do the data showevidence that the diameter of the Penicillium roqueforti colonies grown on petri dishesfilled with malt extract agar follows the normal distribution? Explain by interpreting eachgraph.frequency4n038.6 39.0 35.2 34.1 32.9 42.4 37.5 52.645.9 60.0 29.1 47.7 61.7 41.7 43.5 50.23040Diameter50Figure 1. Histogram60Diameter86099504530-10norm quantilesFigure 2. Q-Q Plot11302

Normality can be checked using various procedure. Visual representation are used to check the…

Answered: The mold Penicillium roqueforti is…

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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A mail-order catalog claims customers will receive their product within 4 days of ordering. A competitor believes that this claim is an underestimate. The competitor test the following hypothesis H0: mu = 4 versus Ha: mu > 4. Determine the type one error. Group of answer choices A. Type I error occurs if the competitor would conclude that mu > 4 when, in fact, mu > 4. B. Type I error occurs if the competitor would conclude that mu > 4 when, in fact, mu = 4. C. Type I error occurs if the competitor would not conclude that mu > 4 when, in fact, mu > 4. D. Type I error occurs if the competitor would not conclude mu > 4 when, in fact, mu = 4.
A research center claims that 25% of adults in a certain country would travel into space on a commercial flight if they could afford it. In a random sample of 700 adults in that country, 27% say that they would travel into space on a commercial flight if they could afford it. At a = 0.05, is there enough evidence to reject the research center's claim? Complete parts (a) through (d) below. INU TIIUIE uIOan 0 UI auuiS I uIE UUUU y vwuuIu uavci IU apauc Un a uUITIIGI LIaI Iyntrncy couIu anuIu I. O D. At least % of adults in the country would travel into space on a commercial flight if they could afford it. Let p be the population proportion of successes, where a success is an adult in the country who would travel into space on a commercial flight if they could afford it. State H, and Ha. Select the correct choice below and fill in the answer boxes to complete your choice. (Round to two decimal places as needed.) O A. Ho: p O B. Ha: ps OC. Ho: p> Hai p= Hai p> Ha: ps O D. Ho: pe O E. Hg:…
Most major airlines allow passengers to carry two pieces of luggage (of a certain maximum size) onto the plane. However, their studies show that the more carry-on baggage passengers have, the longer it takes to unload and load passengers. One regional airline is considering changing its policy to allow only one carry-on per passenger. Before doing so, it decided to collect some data. Specifically, a random sample of 1,000 passengers was selected. The passengers were observed, and the number of bags carried on the plane was noted. Out of the 1,000 passengers, 332 had more than one bag. Complete parts a through d below. Click the icon to view a table of critical values for conmonly used confidence levels. a. Based on this sample, develop and interpret a 95% confidence interval estimate for the proportion of the traveling population that would have been impacted had the one-bag limit been in effect. Determine the confidence interval. (Round to three decimal places as needed. Use ascending…
Refer to Exercise 8.S.6. Analyze these data using a Wilcoxon signed-rank test.
Most major airlines allow passengers to carry two pieces of luggage (of a certain maximum size) onto the plane. However, their studies show that the more carry-on baggage passengers have, the longer it takes to unload and load passengers. One regional airline is considering changing its policy to allow only one carry-on per passenger. Before doing so, it decided to collect some data. Specifically, a random sample of 1,000 passengers was selected. The passengers were observed, and the number of bags carried on the plane was noted. Out of the 1,000 passengers, 386 had more than one bag. Complete parts a through d below. Click the icon to view a table of critical values for commonly used confidence levels. a. Based on this sample, develop and interpret a 95% confidence interval estimate for the proportion of the traveling population that would have been impacted had the one-bag limit been in effect. Determine the confidence interval. (Round to three decimal places as needed. Use ascending…
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Listed below are amounts of strontium-90 (in millibecquerels, or mBq) in a simple random sample of baby teeth obtained from residents in a region born after 1979. Use the given data to construct a boxplot and identify the 5-number summary. 148 125 152 130 155 141 164 172 all in mBq. The 5-number summary is .... and (Use ascending order. Type integers or decimals. Do not round.) Which boxplot below represents the data? О А. о с. 127 154 120 TH 100 120 140 160 180 200 Strontium-90 (mBq) 140 160 180 Strontium-90 (mBq) 200 Q Q Q 134. 156 137 157 OB. O D. 100 120 142 166 120 140 160 180 200 Strontium-90 (mBq) 140 160 Strontium-90 (mBq) 180 Q Q Q 144 168 150 D 177
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Imagine we're conducting a single sample t-test. We're testing one-tailed at an alpha level of 0.05 and find a cut-off value of 1.833. What is the used sample size? A) 12 B) 10 C) 9 D) 11
To determine the average length of hospital stay for patients who were hospitalized with and recovered from Covid-19, a physician randomly surveyed 100 of his patients and determined their average length of hospital stay. Identify the population, parameter, sample, and statistic for the above scenario. Write "NONE" for any information that is missing.
Big Hitter is a manufacturer of golf products in the United States and Canada. One of the golf accessories it produces at its plant in Winnipeg, Manitoba, Canada, is plastic golf tees. The injector molder produces golf tees that are designed to have an average height of 66mm. To determine if this specification is met, random samples are taken from the production floor. One sample is contained in the file labeled THeight. Determine if the process is not producing the tees to specification. Use a significance level of 0.01. If the hypothesis test determines the specification is not being met, the production process will be shut down while causes and remedies are determined. At times this occurs even though the process is functioning to specification. What type of statistical error would this be? THeight 67.05 66.61 65.58 65.26 66.23 65.69 64.90 67.67 65.77 66.13 67.43 65.77 66.46 66.31 66.39 66.10 66.58 66.98 67.13 65.81 66.86 66.26…

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