上次小編給你說(shuō)了財(cái)報(bào)CFA考試題，今天我們一起看看CFA一級(jí)中經(jīng)濟(jì)學(xué)的知識(shí)考試題，畢竟CFA一級(jí)考試10個(gè)科目的知識(shí)都要考的哦！

1/The confidence interval is most likely to be:

A. wider as the point estimate increases.

B. narrower as the reliability factor decreases.

C. wider as the sample size increases.

【B】

[Solution] A confidence interval for a parameter = Point estimate ± Reliability factor × Standard error. For example, the reliability factors for confidence intervals based on the standard normal distribution are 1.65 for 90% confidence intervals and 1.96 for 95% confidence intervals. For a given point estimate and standard error, the confidence interval will be narrower with a lower reliability factor.

2/ The null hypothesis is most likely to be rejected when the p-value of the test statistic:

A. falls below a specified level of significance.

B. is negative.

C. exceeds a specified level of significance.

【A】

[Solution] If the p-value is less than the specified level of significance, the null hypothesis is rejected.

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