Via ultrasound, it is determined that a cat will have a litter containing 8 kittens. The sexes of the kittens are still unknown. Assume each kitten born has a 53% chance of being female. The random variable X = "the number of male kittens in the litter" has a Binomial distribution with n = 8 and p = 0.47. Determine the variance of the random quantity: 7X - 86. Var( 7X - 86 ) =

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