From this table, find the expected value of X. $200 $100 $50 P(X) 0.4 0.3 0.3 O A. $125 B. $116.67 O c. $200 O D. $75
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This problem on my non-graded study guide has no context to it, and I do not understands what it is supposed to be asking me. I know it has something to do with probability though, as that is the unit.
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- Sheila is conducting an experiment in which she is rolling a die. After rolling the die 90 times, she has collected the following data. Based on theoretical probability, she was expecting the die to land on each number 15 times. Sheila then remembered that experimental probability does not always equal theoretical probability, but it should approach it the more times an experiment is run. Sheila ran the experiment again rolling the die 180 times. For the 180 rolls of the die, she noticed that all of the frequencies were at most 20% away from what was expected based on the theoretical probability. She then combined the two data sets for a total of 270 rolls of the die. The minimum frequency that she could have obtained from any number in the combined data set is :______________ and the maximum frequency she could have obtained from any number is: _______________Given the probability that "she's up all night 'til the sun" is 0.39, the probability that "she's up all night for good fun" is 0.30, and the probability that "she's up all night 'til the sun" AND "she's up all night for good fun" is 0.18, what's the probability that "she's up all night 'til the sun" OR "she's up all night for good fun"? Round to 2 decimal places as needed.Part d please
- The probability of afternoon rain given morning cloud cover >50% is of interest to those forecasting the weather. You can calculate this probability using Bayes' Theorem (below). The probability of morning cloud cover in general is 30% in the area you are concerned with and when there's afternoon rain, morning cloud cover of the kind described above occurs 90% of the time. The probability of rain in general for the area is about 26% of days. From the above information, identify what P(BIA) would be. Express your answer as a proportion, rounded to two decimal places. P(A/B)= = P(B|A)*P(A) P(B)Answer the Following Question The probability that a person WONT make a free-throw if they have a 6/7 probability of making it.Solve the following probabilty problem: Doris and her friend plan to travel to Florida during the winter intersession period. Based upon the past experience they know that the probability that they go by car is 0.4 and the probability that they go by plane is 0.2. What is the probability that they travel to Florida by car or plane only?
- Please help me with the following problem.The below was the answer I received when I asked the following question. Dr. Deming’s Red Bead Experiment is an exercise in the laws of probability. The workers were frustrated because no matter what they did, the outcome was not predictable. If the paddle holds 50 beads and there are 500 white beads and 50 red beads in the box, what is the probability, using one sample, of filling a paddle with 47 white beads and only three red beads? What I need to understand is how did you get the highlighed answers below because these require a factorial of 500 and I have not found anything that will calculate that. Thank you Step 1 Given Information: Number of white beads = 500 Number of red beads = 50 Total number of beads = 550 Step 2 The probability, using one sample, of filling a paddle with 47 white beads and only three red beads can be determined as follows: Probability = C47500*C350C50550=(2.94*10^66) (19600)(3.44*10^71)=0.1675Given the probability that "she's up all night 'til the sun" OR "she's up all night for good fun" is 0.19, the probability that "she's up all night for good fun" is 0.44, and the probability that "she's up all night 'til the sun" is 0.48, what's the probability that "she's up all night 'til the sun" AND "she's up all night for good fun"?
- Given the probability that "she's up all night 'til the sun" OR "she's up all night for good fun" is 0.38, the probability that "she's up all night for good fun" is 0.44, and the probability that "she's up all night 'til the sun" is 0.33, what's the probability that "she's up all night 'til the sun" AND "she's up all night for good fun"? Round to 2 decimal places as needed.Thank you. I'm not sure about the result for the second question. What I'm having a hard time with is the probability that a total of 30 of the 546 crashes have occurred in the 48 time windows. My data shows that crashes occurred in 25 of these 48 time windows, with 3 in one of these and 2 in three others.Suppose you like to keep a jar of change on your desk. Currently, the jar contains the following: 18 Pennies 14 Dimes 18 Nickels 9 Quarters What is the probability that you reach into the jar and randomly grab a quarter and then, without replacement, a penny? Express your answer as a fraction or a decimal number rounded to four decimal places.
