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- Answer only number 4, 8, &10X takes values 1, 2, 3, 4 each with probability 1/4 and Y takes values 1, 2, 4, 8 with probabilities 1/2, 1/4, 1/8 and 1/8 respectively. Write out a table of probabilities for the 16 paired outcomes which is consistent with the distributions of X and Y. From this find the possible values and matching probabilities for the total X +Y and confirm that E(X +Y) = E(X)+ E(Y).The time it takes me to wash the dishes is uniformly distributed between 6 minutes and 16 minutes. What is the probability that washing dishes tonight will take me between 7 and 13 minutes? Give your answer accurate to two decimal places.
- Since the probability function of the random variable X is as shown in the picture, calculate the expected value and variance.I need help answering all of section 3The time it takes me to wash the dishes is uniformly distributed between 11 minutes and 19 minutes.What is the probability that washing dishes tonight will take me between 12 and 14 minutes?Give your answer accurate to two decimal places.
- The time it takes me to wash the dishes is uniformly distributed between 11 minutes and 20 minutes.What is the probability that washing dishes tonight will take me between 14 and 19 minutes?Give your answer accurate to two decimal places.Answer part a through d. Suppose X is normally distributed random varible with u= 15 and o=2. Find each probability.The time it takes me to wash the dishes is uniformly distributed between 8 minutes and 14 minutes.What is the probability that washing dishes tonight will take me between 11 and 12 minutes?Give your answer accurate to two decimal places.
- A random variable Z is normally distributed with mean and variance are 0 and 1 respectively. Determine the probability of P(1.5In an elevator it limits the weight of its four occupants to 300 kg. If an individual's weight follows a distribution N(71,7), calculate the probability that the weight of four and exceeds 300 kgThe time it takes me to wash the dishes is uniformly distributed between 9 minutes and 15 minutes.What is the probability that washing dishes tonight will take me between 11 and 13 minutes?Give your answer accurate to two decimal places.