The probability that Janie is wearing sunglasses is 1/4. The probability that she is wearing sunglasses and a sun-hat is 1/5.
What is the probability that she is wearing a sun-hat? Your answer will be a number between zero and one. IF there is not enough information to get an answer, let me know by answering 0
It is not given that these are independent events. Hence,
We do not have sufficient information to calculate the probability. The answer is 0
The probability that Janie is wearing sunglasses is 1/4. The probability that she is wearing sunglasses...
The probability that Janie is wearing sunglasses is 1/4. The probability that she is wearing sunglasses and a sun-hat is 1/5. If you see her wearing sunglasses, what is the probability that she is also wearing a sun-hat? Your answer will be a number between zero and one. IF there is not enough information to get an answer, let me know by answering 0.
Ellen is taking 4 courses for the semester. She believes that the probability mass function for X = the number of courses for which she will get an A grade is given below. k 0 1 2 3 4 ?(? = ?) 0.10 ? 0.40 0.15 0.05 a) What is the probability that Ellen gets at least 2 A’s? (Write the probability sentence related) (3pts) b) Complete the cumulative distribution function (cdf): (5pts) k 0 1 2 3 4 ?(?...
Let descrete random variable X ~ Bin(9,0.4) Find: 1) Probability P(X> 4) 2) Probability P(X> 2) 3) Probability P(2<X<5) 4) Probability P(2<X<5) 5) Probability P(X=0) 6) Probability P(X=6) 7) ux 8) TX Show your explanations. Displaying only the final answer is not enough to get credit. Note: round calculated numerical values to the fourth decimal place where applicable.
Let descrete random variable X ~ Bin(9,0.4) Find: 1) Probability P(X>4) 2) Probability P(X> 2) 3) Probability P(2 <X<5) 4) Probability P(2<X<5) 5) Probability P(X =0) 6) Probability P(X =6) 7) ux 8) OX Show your explanations. Displaying only the final answer is not enough to get credit. Note: round calculated numerical values to the fourth decimal place where applicable.
Let descrete random variable X - Bin(9,0.3) Find: 1) Probability P(X>5) 2) Probability P( X 2 ) 3) Probability P(2<x<5) 4) Probability P(2<x<5) 5) Probability P(X=0) 6) Probability P(X= 7) 7 Mx 8) Ox Show your explanations. Displaying only the final answer is not enough to get credit Note: round calculated numerical values to the fourth decimal place where applicable.
1) what is the probability of getting that you flip a coin 4 times and get the same result every time? 2) what is the probability of and seven-digit ID number ending in the number 8? 3) what is the probability of your birthday being on a Monday next year? 4) what is the probability you roll two dice and get a sum of 11 or 12? if you could work them out so i could know how to do...
4. (30 points) A statistics exam has five easy questions and three hard questions. You have six friends who are in the class, five are moderately prepared and one is very prepared. Probability Easy Questions Correct 80% Chance 95% Probability Hard Questions Correct 66.666% (two-thirds) 5 Moderately Prepared Friends 1 Very Prepared Friend 80% The probability of answering any one question correctly is completely independent of the probability of answering any other question correctly for every student. (a) What is...
Let descrete random variable X ~ Poisson(7). Find: 1) Probability P(X = 8) 2) Probability P(X = 3) 3) Probability P(X<4) 4) Probability P(X> 7) 5) ux 6) 0x Show your explanations. Displaying only the final answer is not enough to get credit. Note: round calculated numerical values to the fourth decimal place where applicable.
4. Three political prisoners are litical prisoners are offered a chance to be released from a third world country's prison system. are shown 3 red hats and 2 black hats and then they are blindfolded. One of the hats is placed on un persons head. One by one, the blindfolds will be removed and each prisoner will be able to see the Ull the other two prisoners, but not the hat they are wearing. They must answer either I dont...
You own a convenience store. You notice that the probability of someone coming in and buying a soda is 14/15. The probability of someone coming in and buying candy is 2/5. The probabililty of someone buying both is 1/5. Fill in the blank: The people who buy sodas have a ___ chance of also buying candy. (Your answer will be a number between zero and one - give me at least three decimal place accuracy please)