They need to be probabilities and there should be six answer 1-a-b etc

The proportion of vehicles which drive above the speed limit on a freeway is 85%.  Suppose 100 vehicles are randomly clocked. 20 If each speeding vehicle is issued a $185 speeding ticket, the expected value of the ticket amount is $________.   a $15,725               b $14,560               c $13,480               d $12,485

The probability distribution of the daily number of customers at the YumYum is given below. Daily number of customers Probability 20 0.2 40 0.3 60 0.4 80 0.1   What is the probability that on a given day the YumYum has less than 70 customers? Group of answer choices 0.1 0.8 0.9 0.5 thanks for help

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5. A shipment of 24 electric stoves is rejected if three 3 are checked for defects and at least one 1 is found ton be defective. Find the probability that the shipment will be returned if there are actually six stoves that are defectives.

Assume you are faced with two decision alternatives and two states of nature whose profit payoff table is shown below. Decision Alternative State of Nature 1 State of Nature 2 Decision 1 25 30 Decision 2 45 15 The probability of state of nature 1 is 0.4.(a) Compute the expected value of each alternative.(b)  Which decision is the optimal decision?(c) Compute the expected value with perfect information.(d) Compute the expected value of perfect information.

1. Suppose the prices of used cars in the market are normally distributed with a mean of $15,000 and a standard deviation of $7,5000. What is the probability of selecting a car from this market and its priced above $20,000.

The probability distribution for the number of automobiles sold during a day (x) at Bob Iron Motors isas follows. x f(x) 0 0.001 1 0.007 2 0.034 3 0.099 4 0.188 5   6 0.220 7 0.136 8 0.055 9 0.015 10 0.001 17 The probability that 5 automobiles will be sold is,a 0.232b 0.244c 0.257d 0.271

Question 15 Suppose X is a random variable taking values 0, 1, 2, 3, 4, 5 with equal probability. What is the variance of X?

6 Company “X Star" supplies electronic devices. Probability of purchasing a defective device is 0.3. Mr. Chang has purchased two devices. (a) What is the probability that at least one device purchased by Mr. Chang is good? (b) What is the probability that at least one device purchased by Mr. Chang is defective?