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A: Given,
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- A research center claims that that 31% of adults in a certain country would travel into space on a commercial flight if they could afford it. In a random sample of 1200 adults in that country, 33% say that would travel into space on a commercial flight if they could afford it. At alpa= 0.05, isthere enough evidence to reject the research centers claim complete parts a through d belowThe. nu,ber of hospital admissions from car accidents on Friday the 6th and Friday the 13th of thee same month were randomly selected from hospital database. Use a 0.05 significane level to test the claim that the number of admissions from car accidents is the same for Friday the 6th and Friday the 113th of the same mont. Friday the 6th : 9. 6. 11. 11. 3. 5. 8 Friday the 13th: 13. 12. 14. 10. 4. 12. 9 a) Indentift the null and alternate hypotheses b) calculate the P- value c) state whether to reject or fail to reject H0 d) state the conclusion about the claim.A random sample of size n = 100 is taken from an infinite population with the mean μ = 75 and the vari-ance σ2 = 256. (a) Based on Chebyshev’s theorem, with what probabil-ity can we assert that the value we obtain for X will fall between 67 and 83? (b) Based on the central limit theorem, with what proba-bility can we assert that the value we obtain for X will fall between 67 and 83?
- In a toy shop ,2% of the toys are defective.If a boy selects 4 toys randomly ,find the probabiility of getting atleast one of the toys defective .Assuming that no auestions are keft unanswered, in hie many ways can a five-question quiz with 4-choicr multiple choicr questions br answered?Follow the steps in hypothesis using p-value method. The output of theMicrosoft Excel is shown in the last part.
- 4.(a) The manufacturer of a certain voltmeter claims that 95% or more of its readings are within0.1% of the true value. In a sample of 500 readings, 470 were within 0.1% of the truevalue. Is there enough evidence to reject the claim?(b) A manufacturer of computer workstations is testing a new automated assembly process.The current process has a defect rate of 5%. In a sample of 400 worksations assembled bythe new process, 15 had defects. Can it be concluded that new process has a lower defectrate?State the NPV’s of this ?The LL theorem is a special case of the ______. A. SAS postulate or ASA postulate B.SAS postulate or SSS postulate C. AAS postulate or ASA postulate D. AAS theorem or SSS postulate
- A research center claims that 29% of adults in a certain country would travel into space on a commercial flight if they could afford it. In a random sample of 800 adults in that country, 31% 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. (a) Identify the claim and state H0 and Ha. Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) A. The percentage of adults in the country who would travel into space on a commercial flight if they could afford it is not ______%. B. No more than ______% of adults in the country would travel into space on a commercial flight if they could afford it. C. ______% of adults in the country would travel into space on a commercial flight if they could afford it. D. At least ______% of…A company that packages peanuts states that a maximum of 6% of the peanut shells contains no nuts. At random, 300 peanuts were selected and 21 of them were empty. At 0.05 CI, determine if the claims is true.Consider two perceptrons defined by the threshold expression True or false? Perceptron A is more general than perceptron B. more general than is defined in Chapter 2.)