统计概念问题 ,If X follows a normal distribution with μ=30 ,σ=5 ,then P(X=40)?a. 0.0108 b.0 c. 0.4772 d. 0.5 e.none of the abovethe location of a nomal curve is determined by a.mean b.rang
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 16:45:33
![统计概念问题 ,If X follows a normal distribution with μ=30 ,σ=5 ,then P(X=40)?a. 0.0108 b.0 c. 0.4772 d. 0.5 e.none of the abovethe location of a nomal curve is determined by a.mean b.rang](/uploads/image/z/2840881-49-1.jpg?t=%E7%BB%9F%E8%AE%A1%E6%A6%82%E5%BF%B5%E9%97%AE%E9%A2%98+%2CIf+X+follows+a+normal+distribution+with+%CE%BC%3D30+%2C%CF%83%3D5+%2Cthen+P%28X%3D40%29%3Fa.++0.0108++++++++++++++++++++b.0+++++++++++c.++0.4772++++++++++++++d.++0.5++++e.none+of+the+abovethe+location+of+a+nomal+curve+is+determined+by+a.mean+++++++b.rang)
统计概念问题 ,If X follows a normal distribution with μ=30 ,σ=5 ,then P(X=40)?a. 0.0108 b.0 c. 0.4772 d. 0.5 e.none of the abovethe location of a nomal curve is determined by a.mean b.rang
统计概念问题 ,
If X follows a normal distribution with μ=30 ,σ=5 ,then P(X=40)?
a. 0.0108 b.0 c. 0.4772 d. 0.5 e.none of the above
the location of a nomal curve is determined by
a.mean b.range c.standard deviation d.variance e.none of a above
the shape of a nomal curve is determined by
a.mean b.range c.standard deviation d.mode e.none of a above
4.which one of the following distributions is a special case of Gamma distribution
a.exponential b.uniform c.chi-square d.both(A)and (B) e.both (A)and (C)
5.the number of collisions at sea in year is Possion distributed.THus,the length of time between collisions follow:
a. a Poisson distribution b.a nomal distribution c.an exponential distribution d.a Bernoulli distribution e.none of the above
统计概念问题 ,If X follows a normal distribution with μ=30 ,σ=5 ,then P(X=40)?a. 0.0108 b.0 c. 0.4772 d. 0.5 e.none of the abovethe location of a nomal curve is determined by a.mean b.rang
e,a,c,c,a