sume that the population proportion is 0.60. Compute the standard error of the proportion, o-, for sample sizes of 100, 200, 500, and 1,000. (Round you cimal places.) a sample size of 100 -a sample size of 200 a sample size of 500 -a sample size of 1000 at can you say about the size of the standard error of the proportion as the sample size is increased? increases asn increases. approaches p as n increases. 0- approaches p as n increases.
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- You collected a sample from a population which you realized has very high standarddeviation. You want to estimate the population parameter from this sample. You thinkthat your interval will be very wide, what you can do to narrow it down without changingyour confidence level. Will your suggestion to improve the width of the interval increasethe probability of the true mean lying in that interval?Suppose a batch of steel rods produced at a steel plant have a mean length of 150 millimeters, and a variance of 100. If 275 rods are sampled at random from the batch, what is the probability that the mean length of the sample rods would differ from the population mean by greater than 0.57 millimeters? Round your answer to four decimal places.Q. Which of the following is true of heteroscedasticity? Options- a. Population R-squared is affected by the presence of heteroscedasticity. b. Heteroscedasticity causes inconsistency in the ordinary least squares estimators. c. The ordinary least squares estimators are not the best linear unbiased estimators if heteroscedasticity is present. d. It is not possible to obtain F statistics that are robust to heteroscedasticity of an unknown form.
- How do you partial differentiate Q = 15K^1.7L^1.3 + K^3 + 5^3 alone? If you were to exclude the second questionSuppose 57% of the population has a retirement account. If a random sample of size 421 is selected, what is the probability that the proportion of persons with a retirement account will differ from the population proportion by greater than 4% ? Round your answer to four decimal places.The net reproduction rate of a population is defined as r=b1+b2s1+b3s1s2+.......bns1s2.....sn-1 where the b1 are the birth rates and the sj are the survival rates for the population . Explain why r can be interpreted as the average number of daughters born to a single female over her lifetim
- JUST ANSWER SUBPART 1 There are two individuals, Individual A and Individual B. Individual A has an income (Y) of 500 million Rupiah per year. If Individual A is sick, he will lose 25% of his income. Meanwhile, Individual B has an income (Y) of 100 million Rupiah per year, and if Individual B is sick, he will lose 75% of his income. The probability of Individual A and Individual B being sick is the same, which is 10%. If the satisfaction level of Individual A and Individual B is determined by their income level, based on the following function U(Y)=ln Y, would Individual A and Individual B prefer not to have health insurance? Explain Faced with fair actuarially insurance, how much premium is offered to Individual A? Is the premium rate offered the same for Individual B? Explain with the support of graphic illustrations. The government decides to provide compulsory health insurance with a premium rate for Individual A and Individual B, which is 2% of the income of each individual. In…(Ch8) The Central Limit Theorem (CLT) implies that _____. Question 9Select one: the distribution of the sample mean is approximately normal when the sample variance is getting larger the population will be approximately normal if the sample size n is greater than 40 the distribution of the sample mean is approximately normal when the sample size is getting larger repeated samples must be taken to obtain normality for the sample mean distributionA recent article in a business journal reported that the mean annual salary for graduates from 30 top MBA programs 10 years after graduation is $275,000 Assume the standard deviation is $54,500 24 Keep the error probability at α = 0.05. We want to build an interval which captures 95% of the sample means within ±$5,000 from the population mean. What is the minimum sample size that would yield such an interval? a 411 b 457 c 508 d 564