It is known that the average number of pushups a U.S Marine does daily is 300 with standard deviation of 50. A random sample of 49 Marines is selected. a) The population of interest is [Select] v The parameter of interest is [Select] v The value of the parameter is [Select] V b) If :T: is the sample mean number of pushups a US. Marine does, by the Central limit Theorem i N Normalmj. : [Select] v , 0-5: : [Select] v ) c) The probability that the sample mean is less than 320 is P(i