Basic Math question and answers for October 04, 2024
- Q The Wechsler Adult Intelligence Scale (WAIS) is the most common IQ test. The distribution of scores for adults taking the WAIS is approximately Normal with a mean of 100 and...
- Q The distribution of heights of both five-year old boys and seven-year old boys is approximately Normal. The mean height of a five-year old boy is 43 inches and the standard...
- Q In the country of United States of Heightlandia, the height measurements of ten-year-old children are approximately normally distributed with a mean of 53 inches, and standard deviation of 6.8 inches....
- Q Edna is fouled hard in an exciting basketball game. It is ruled a flagrant foul, and the opponent is tossed from the game. As a result, Edna is allowed to...
- Q Your college is having a housing lottery. The probability that you will get a single room all to yourself next year is 0.2, the probability of getting a double is...
- Q A random variable X can take on three possible values: 0, 8, or 20. Each of these values is associated with the following probabilities:P(X= 0) = 0.25, P (X= 8)...
- Q A manufacturer knows that their items have a normally distributed lifespan, with a mean of 11.6 years, and standard deviation of 1.8 years If you randomly purchase one item, what...
- Q According to Masterfoods, the company that manufactures M&M's, 12% of peanut M&M's are brown, 15% are yellow, 12% are red, 23% are blue, 23% are orange and 15% are green....
- Q Google it: According to a report of the Nielsen Company, 81% of internet searches used the Google search engine. A sample of 100 searches is studied.Use the Cumulative Normal Distribution...
- Q The total area under any curve representing the distribution of a variable equals 1. Explain why..A. The total area under any curve representing the distribution of a variable does not...
- Q A student is taking a true-false exam with 10 questions. Assume that the student guesses at all 10 questions. Use the accompanying tables to complete parts athrough c.a. The student...
- Q The population of weights of a particular fruit is normally distributed, with a mean of 228 grams and a standard deviation of 12 grams. If 26 fruits are picked at...
- Q You own 18 CDs. You want to randomly arrange 5 of them in a CD rack. What is the probability that the rack ends up in alphabetical order?The probability that...
- Q Moe plays a simplified version of powerball: You either win the entire jackpot of $500,000,000 or you lose the cost to play (i.e., $2). The probability of winning powerball is...
- Q A particular stock is currently trading at $1. An expert market analyst determines that in one year, the price of the stock will be: $2 with a probability of 0.5;...
- Q a. The student gets either seven or eight answers correct.The probability the student gets either seven or eight answers correct is(Round to four decimal places as needed.)
- Q The city of Raleigh has 6,500 registered voters. There are two candidates for city council in an upcoming election: Brown and Feliz. The day before the election, a telephone poll...
- Q A criminologist developed a test to measure recidivism, where low scores indicated a lower probability of repeating the undesirable behavior. The test is normed so that it has a mean...
- Q State the two characteristics of the graph of a probability density function.Complete the statements below.1. The total area under the graph of the equation over all possible values of the...
- Q A fair quarter is flipped three times. For each of the following probabilities, use the formula for the binomial distribution and a calculator to compute the requested probability. Next, look...
- Q Before 1918, approximately 50% of the wolves in a region were male, and 50% were female. However, cattle ranchers in this area have made a determined effort to exterminate wolves.From...
- Q 80% of all bald eagles survive their first year of life. Give your answers as decimals, not percents. If 39.bald eagles are randomly selected, find the probability thata. Exactly 33...
- Q Car color preferences change over the years and according to the particular model that the customer selects. In a recent year, suppose that 10% of all luxury cars sold were...
- Q An experiment consists of first rolling a die and then tossing a coin:a. How many elements are there in the sample space?b. Let A be the event that either a...
- Q If the temperature in Florida falls below 32F there is a chance the citrus crop will be damaged. Supp the probability an orange tree will be damaged in cold weather...
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