A teacher claims that over 9% of maths students are married. In the survey at the beginning of semester, 45 students answered the question about their marital status. 9 of them said they were married. Calculate the test statistic Z? Round answer to 2 decimals

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A: From the provided information, The data values are as follow: 5.2, 5.8, 5.9, 6.2, 4.8, 4.9, 5.11,…

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A: As per bartleby guidelines we can solve only first question and rest can be reposted

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A: x x2 (x-x¯)4 1 1 915.06 2 4 410.06 5 25 5.06 7 49 0.06 7 49 0.06 8 64 5.06 8 64 5.06…

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Q: for the binary system if the entrop so the probabilities are: a. 0.3 and 0.7

A: Entropy  Entropy = H(y) = -∑j=1mP(yj) log2P(yj)

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Q: for the binary system if the entropy =0.9710, so the probabilities are:

A: here we are given that the entropy of the binary system is H(X)=0.9710

Q: A sample of 200 people has a mean age of 21 with a population standard deviation (σ) of 5. Test the…

A: Given: Sample size(n)=200Sample mean(x¯)=21Population mean(μ)=18.9Population Standard deviation(σ)=5

Q: Example 14. X of 20 terms was found to be 35. But afterwards it was detected that two terms 42 and…

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A: Disclaimer: Since you have posted a question with multiple sub-parts, we will solve the first three…

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A: Let z be the random variable follows normal distribution with mean 0 and standard deviation 1

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A: From given data we have : x 1 2 3 4 5 P(x) 0.12 0.15 0.23 0.3 0.2

Q: Suppose that a sample of size n=3 is selected from a population of four value 4, 8, 0, 12. (1) Find…

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A: given data n=60 observation minimum=30 maximum=72 No. of classes = ?

Q: A sample of 200 people has a mean age of 21 with a population standard deviation (σ) of 5. Test the…

A: Given: Sample size(n)=200Sample mean(x¯)=21Population Standard deviation(σ)=5Population mean(μ)=18.9