Morse code uses "dots" and "dashes," which are known to occur in the proportion of 3: 4. this means that for any given symbol, p(dot sent) = 3/7 and p(dash sent) = 4/7. unfortunately, when coded messages are sent, there are sometimes errors in transmission. suppose there is interference on the transmission line, and with probability 1/8 a dot is mistakenly received as a dash, and vice versa. a) what is the probability that the received symbol is a dot?

How do i simply this radical expression?

Pleasseee important quick note: enter your answer and show all the steps that you use to solve this problem in the space provided. use the circle graph shown below to answer the question. a pie chart labeled favorite sports to watch is divided into three portions. football represents 42 percent, baseball represents 33 percent, and soccer represents 25 percent. if 210 people said football was their favorite sport to watch, how many people were surveyed?

Give another definition of variability and explain how it can be calculated.