Математическое ожидание постоянной величины “a” равно (a=const):<img src="/close/store/examRes/%7B95B9E751-8935-4CF3-A191-5C938BAB1AB3%7D/ek17.gif" /><img src="/close/store/examRes/%7B95B9E751-8935-4CF3-A191-5C938BAB1AB3%7D/ek18.gif" /><img src="/close/store/examRes/%7B95B9E751-8935-4CF3-A191-5C938BAB1AB3%7D/ek16.gif" /> <img src="/close/store/examRes/%7B95B9E751-8935-4CF3-A191-5C938BAB1AB3%7D/ek16.gif" />, <img src="/close/store/examRes/%7B95B9E751-8935-4CF3-A191-5C938BAB1AB3%7D/ek17.gif" />, <img src="/close/store/examRes/%7B95B9E751-8935-4CF3-A191-5C938BAB1AB3%7D/ek18.gif" />