4 coins were tossed 160 times and the folowing results were obtained :No. of heads234Observed frequencies :Under the assumption that coins are balanced, find the expected frequencies of getting 0, 1, 2,3 or 4 heads and test the goodness of fit.17525431Applying te88A.

The Chi square χ2 goodness of fit test statistic formula is defined as χ2=∑Oi-Ei2Ei Where,…

Answered: 4 coins were tossed 160 times and the…

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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24) Many students brag that they have morethan 500 friends on a social media website.To verify this, a researcher selected a randomsample of size 35 and found that on average, students had about 535 friends. Further assume the (population) standard deviation is 70. a) Find the value of the test statistic in the above case.A. 2.06B. 2.54C. 2.96D. 3.34E. None of the above b) Find the p-value of the above test.A. 0.1 < pB. 0.05 < p < 0.1C. 0.01 < p < 0.05D. 0.005 < p < 0.01E. 0.001 < p < 0.005
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Question 1 produced Experience has shown that the weight of avocados by an orchard in Hoedspruit is normally distributed, with an average weight (u) of 1609, and a standard deviation (a) of 45g. A sample of 120 of these avocados is randomly selected. Determine the standard error for this sample. a) 0.45 4.29 C) 4.1079 d) 0.4091 e) 4.50
Assume that hybridization experiments are conducted with peas having the property that for offspring, there is a 0.75 probability that a pea has green pods. Assume that the offspring peas are randomly selected in groups of 12. Complete parts (a) through (c) below. a. Find the mean and the standard deviation for the numbers of peas with green pods in the groups of 12. The value of the mean is u= 9 peas. (Type an integer or a decimal. Do not round.) The value of the standard deviation is σ = 1.5 peas. (Round to one decimal place as needed.) b. Use the range rule of thumb to find the values separating results that are significantly low or significantly high. Values of peas or fewer are significantly low. (Round to one decimal place as needed.)
Assume that hybridization experiments are conducted with peas having the property that for offspring, there is a 0.25 probability that a pea has green pods. Assume that the offspring peas are randomly selected in groups of 40. Complete parts (a) through (c) below. a. Find the mean and the standard deviation for the numbers of peas with green pods in the groups of 40. The value of the mean is u = peas. (Type an integer or a decimal. Do not round.) The value of the standard deviation is o =| peas. (Round to one decimal place as needed.) b. Use the range rule of thumb to find the values separating results that are significantly low or significantly high. Values of peas or fewer are significantly low. (Round to one decimal place as needed.) Values of peas or greater are significantly high. (Round to one decimal place as needed.) c. Is a result of 2 peas with green pods a result that is significantly low? Why or why not? The result significantly low, because 2 peas with green pods is peas.…
Assume that hybridization experiments are conducted with peas having the property that for offspring, there is a 0.75 probability that a pea has green pods. Assume that the offspring peas are randomly selected in groups of 38. Complete parts (a) through (c) below. a. Find the mean and the standard deviation for the numbers of peas with green pods in the groups of 38.
Assume that hybridization experiments are conducted with peas having the property that for offspring, there is a 0.25 probability that a pea has green pods. Assume that the offspring peas are randomly selected in groups of 36. Complete part (a) through (c) below. ..... a. Find the mean and the standard deviation for the numbers of peas with green pods in the groups of 36. The value of the mean is u = рeas. (Type an integer or a decimal. Do not round.)
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Assume that hybridization experiments are conducted with peas having the property that for offspring, there is a 0.75 probability that a pea has green pods. Assume that the offspring peas are randomly selected in groups of 10. Complete parts (a) through (c) below. a. Find the mean and the standard deviation for the numbers of peas with green pods in the groups of 10. The value of the mean is µ = peas. (Type an integer or a decimal. Do not round.) The value of the standard deviation is o = рeas. (Round to one decimal place as needed.) b. Use the range rule of thumb to find the values separating results that are significantly low or significantly high. Values of peas or fewer are significantly low. (Round to one decimal place as needed.) Values of peas or greater are significantly high. (Round to one decimal place as needed.) c. Is a result of 4 peas with green pods a result that is significantly low? Why or why not? The result significantly low, because 4 peas with green pods is рeas.…
The lengths of adult males' hands are normally distributed with mean 188 mm and standard deviation is 7.1 mm. Suppose that 46 individuals are randomly chosen. Round all answers to 4 where possible. a. For the group of 46, find the probability that the average hand length is less than 186. ? b. Find the third quartile for the average adult male hand length for this sample size. ?
Assume that hybridization experiments are conducted with peas having the property that for offspring, there is a 0.75 probability that a pea has green pods. Assume that the offspring peas are randomly selected in groups of 40. Complete parts (a) through (c) below. a. Find the mean and the standard deviation for the numbers of peas with green pods in the groups of 40. The value of the mean is µ = рeas. (Type an integer or a decimal. Do not round.) The value of the standard deviation iso = |peas. (Round to one decimal place as needed.) b. Use the range rule of thumb to find the values separating results that are significantly low or significantly high. Values of peas or fewer are significantly low. (Round to one decimal place as needed.) Values of peas or greater are significantly high. (Round to one decimal place as needed.) c. Is a result of 24 peas with green pods a result that is significantly low? Why or why not? The result significantly low, because 24 peas with green pods is рeas.…

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4 coins were tossed 160 times and the following results were obtained : No. of heads 2 3 4 52 54 31 Observed frequencies Under the assumption that coins are balanced, find the expected frequencies of getting 0, 1, 2, 3 or 4 heads and test the goodness of fit. 17