... seems correct since the H_0 is >=, you should use left tail test with the critical value t_c=-1.860. Since t_calculate = - 5.5857 which ...
1- tail /2- tail is related to Ha. Ho usually is " = " When Ha is " not = " , we use 2- tail . When Ha is " >" we use 1- tail . ...
... denote the event that the i-th coin shows a tail . (a) Pr(both coins show tails | the..., 2nd H) (a) Pr(both coins show tails | the first coin shows a tail ) = Pr...
Does getting three tails refer to the occurrence of the three fair coins showing three tails ...
P(Getting no tail ) = 0.6 P(Getting 1 tail ) = 0.4 x 0.6 P(Getting 2 tails ...4 x 0.42 + ... = 1/0.36 So the mean no. of throws of getting a tail is 0.24/0.36 = 2/3
... 是要證明不等於 null hypotheses，那麼就要用 two- tailed test 了。這情況下，不用考慮 alternative hypotheses 是大於或小於 null...
... depends on whether you're doing one tail or two tails test. The critical value are..., the degree of freedom in B1, and the one/two tail test (represented as 1 or 2) in C1, then you...
... and Paul get the same number of Tails as Paul, Denote T be tail , ...(Jack gets the same number of tails as Paul) = 6 / 16 = 3 / 8 2007-06-02 11:07...
...1/4 (b) Pr[at least one head] = 1-Pr[no head] = 1-Pr[all tails ] = 1-1/4 = 3/4 (c) Possible cases: HH, [HT...
