Question 5b. Estimation Homework . Unanswered If E(0) = 0 then ( is said to be a(n) Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a unknown estimate for 0. b unbiased estimate for 0. C bad estimate for 0. d biased estimate for 0. e known estimate for 0. Unanswered . 3 attempts left SubmitUnanswered . 3 attempts left Submit Question 5c. Estimation Homework . Unanswered The interval estimate for an unknown parameter is referred to as the Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a critical value b confidence interval C point estimate d margin of error Unanswered . 3 attempts left Submit