The error of rejecting a true null hypothesis is O a Type II error O committed when not enough information is available O the same as B O a Type | errorWhich of the following statements are valid null and alternative hypotheses? O Ho : M 10 O Ho : x 10 O Ho : M 10 O Ho : / 12When conducting a hypothesis test for the population mean when cr is known and the sample size is 30 or more, the distribution we use for computing the critical value and the p-value is Q the binomial distribution 0 not known unless the population distribution is known 0 the Student's tdistribution Q the standard normal distribution