Basic Math question and answers for October 02, 2024
- Q A student plans to take 3 courses next term. If he selects them randomly from a list of 10 courses, 5 of which are science courses, what is the probability...
- Q Given A and B are mutually exclusive events such that p(A)=0.3, p(B)=0.4. What is the value of p(A?B)
- Q John has six bills of paper money in the following denominations: $1, $5, $10, $20, $50, and $100 If he selects 3 bills at a time what is the probability...
- Q A random sample of 1014 adults in a certain large country was asked "Do you pretty much think televisions are a necessity or a luxury you could do without?" Of...
- Q For a standard normal distribution, find:P(-1.58 <z<0.69)Round your answer to 4 decimal places (e.g. 0.0001).Hint: Use technology such as Normal Curve Calculator.Question Help: Video 1 Video 2 Video 3 Message...
- Q If a seed is planted, it has a 70% chance of growing into a healthy plant.If 10 seeds are planted, what is the probability that exactly 2 don't grow? Round...
- Q For the experiment of rolling an ordinary pair of dice, find the probability that the sum will be odd or a multiple of 3. (You may want to use a...
- Q P(E)=0.13, find the odds against E.What are the odds against E? Select the correct choice below and fill in the answer box(es) to complete your answer.A. The odds are 0.15(Type...
- Q Marina has learned that it typically rains 43% of the days in August in the city where she lives. Assuming that the probability of rain on each day is independent,...
- Q About 9% of the population has a particular genetic mutation. 500 people are randomly selected.Find the mean for the number of people with the genetic mutation in such groups of...
- Q Assume that random guesses are made for seven multiple choice questions on an SAT test, so that there are n = 7 trials, each with probability of success (correct) given...
- Q Write a sample space for the following random experiment.A month of the year is chosen for a second honeymoon.Choose the correct sample space below.A. S=(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30)B. S={January, February, Monday, April, May,...
- Q Mariah buys a bag of cookies that contains 4 chocolate chip cookies, 6 peanut butter cookies, 9 sugar cookies and 4 oatmeal cookies. What is the probability that Mariah reaches...
- Q If P(E)= 0.13, find the odds against E.What are the odds against E? Select the correct choice below and fill in the answer box(es) to complete your answer.A. The odds...
- Q If the odds against event E are 7 to 13, what is the probability of E?The probability of event E is.(Simplify your answer.)
- Q What are the odds against E? Select the correct choice below and fill in the answer box(es) to complete your answer.A. The odds are(Type an integer or a decimal.)B. The...
- Q Compute the probability of event E if the odds in favor of E are 10 to 11.P(E)= (Type an integer or a fraction.)
- Q If P(E)= 0.47, find the odds in favor of E.What are the odds in favor of E? Select the correct choice below and fill in the answer box(es) to complete...
- Q Based on their previous record, a football club has a 65% chance of winning each match it plays. Assuming the probability of winning is independent from match to match, find...
- Q Of 300 randomly selected medical students, 20 said that they planned to work in a rural community.Use this data to find a 95% confidence interval for the true proportion of...
- Q In a recent year, an author wrote 159 checks. Use the Poisson distribution to find the probability that, on a randomly selected day, he wrote at least one check. The...
- Q A student plans to take 2 courses next term. If he selects them randomly from a list of 11 courses, 5 of which are science courses, what is the probability...
- Q A certain virus infects one in every 200 people. A test used to detect the virus in a person is positive 90% of the time if the person has the...
- Q A lottery involves randomly selecting 4 digits from 0-9, inclusively, without replacement. What is the probability that all 4 digits selected are greater than 4. Use combinations to determine the...
- Q A survey showed that 75% of adults need correction (eyeglasses, contacts, surgery, etc.) for their eyesight. If 13 adults are randomly selected, find the probability that no more than 1...
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