pls help with hw question

ebook In the probability distribution to the right, the random variable X represents the number of marriages an individual aged 15 years or older has been P(x) involved in. Complete parts (a) through (f) below. 0.261 crunch 0.582 0.127 0.025 ter Contents 0.004 0.001 . . . . . (d) Compute the standard deviation of the random variable X. for Success ox = marriages media Library (Round to one decimal place as needed.) (e) What is the probability that a randomly selected individual 15 years or older was involved in two marriages? ase Options sions (Type an integer or a decimal. Do not round.) (f) What is the probability that a randomly selected individual 15 years or older was involved in at least two marriages? Tools