same in 1950 and 2000, or was it higher in one of these years than the...

same in 1950 and 2000, or was it higher in one of these years than the other? To investigate this question, a simple random sample of 500 Californians was selected from the 1950 Census, and an independent random sample of 500 Californians was selected from the 2000 Census. 1. Does this study involve random sampling, random assignment, both or neither? Explain 2. State the appropriate null and alternative hypothesis, in symbols and in words. It turned out that 219 of the 500 Californians in the 1950 sample had been born in California, compared to 258 of the 500 Californians in the 2000 sample. 3. Comment on whether the technical conditions of the two –sample Z-test are satisfied 4. Use these sample data to calculate the test statistic and p-value. 5. Do the two samples proportions differ significantly at α=0.05? 6. Draw your conclusion on this research.

Expert Solution

orchestra answered 1 year ago

the speed of gamma radiation is higher than lower than same as visible light

Tomorrow’s highest temperature can be lower than, higher than or the same as today’s highest temperature....

Tomorrow’s highest temperature can be lower than, higher than or the same as today’s highest temperature. After evaluating all the relevant information available, a weather forecaster has determined that the probability that tomorrow’s highest temperature will be higher than today’s is determined to be 65%. This is an example of using which of the following probability approach? Select one: A. Priori probability B. Empirical probability C. Subjective probability D. Conditional probability Because of the outbreak of the coronavirus, students of...

Fisher effect; what happen when actual inflation is not the same (higher or lower) than the...

Fisher effect; what happen when actual inflation is not the same (higher or lower) than the expected inflation

1- in the long run, if inflation is higher in India than in the U.S.A., one...

1- in the long run, if inflation is higher in India than in the U.S.A., one would expect a. the dollar to depreciate relative to the rupee b. the rupee to depreciate relative to the dollar c. the rupee to appreciate relative to the dollar d. two of the above are correct 2- if interest rates rise in Europe (with no change in expected inflation), a. the dollar will appreciate relative to the euro b. the dollar will depreciate relative...

introduction to business Why do some businesses intentionally have higher prices for the same product than...

introduction to business Why do some businesses intentionally have higher prices for the same product than other businesses?

Suppose that there are two risky assets to invest in. One offers a higher return than...

Suppose that there are two risky assets to invest in. One offers a higher return than the other, but it also has a higher standard deviation. Will one of these assets always lie on the efficient frontier? explain in 800 to 1000 words.

Two alternative machines will produce the same product, but one is capable of higher-quality work, which...

Two alternative machines will produce the same product, but one is capable of higher-quality work, which can be expected to return greater revenue. The following are relevant data. Determine which is the better alternative, assuming repeatability and using SL depreciation, an income-tax rate of 23%, and an after-tax MARR of 8%. Machine A Machine B Capital Investment $20,000 $29,000 Life 12 Years 6 Years Terminal BV (and MV) $4,500 $500 Annual Receipts $158,000 $188,000 Annual Expenses $129,000 $174,000 1) Calculate...

The cost of health care is increasing at a rate higher than inflation. One popular suggestion...

The cost of health care is increasing at a rate higher than inflation. One popular suggestion by policy makers to lower the rate of this cost increase is to (i) rely more heavily on nurse practitioners instead of primary care doctors for certain medical treatments and (ii) to lower the average time patients stay in the hospital and to take care of them at home as soon as possible (in medical lingo this is substituting "outpatient care" for "inpatient care")....

One of the biggest changes in higher education in recent years has been the growth of...

One of the biggest changes in higher education in recent years has been the growth of online universities. The Online Education Database is an independent organization whose mission is to build a comprehensive list of the top accredited online colleges. The following table shows the retention rate (%) and the graduation rate (%) for 29 online colleges. Retention Rate (%) Graduation Rate (%) 7 25 51 25 4 28 29 32 33 33 47 33 63 34 45 36 60...

Review one new technology in molecular biology and its applications or its advance (more than 2000...

Review one new technology in molecular biology and its applications or its advance (more than 2000 words) .Please answer the question only if you can observe the minimum limit of 2000 words. Thank you

Question