The combined SAT scores for the students at a local high school are normally distributed with a mean of 1487 and a standard deviation of 307. The local college includes a minimum score of 2070 in its admission requirements. What is the probability that a student selected at random from this school earn scores that satisfy the admission requirement? Round your answer to at least three decimals.

Q: Answer the next 2 questions using the following information. The US Department of Energy reported…

A: The hypotheses can be constructed as: Null hypothesis: H0: p = 0.517 Alternative hypothesis: H1: p ≠…

Q: Find the standard deviation of this number set: {2, 4, 9} showing all of the steps involved as shown…

A:

Q: 220 students were asked how many cup of coffee they bought every day.  Number of Cups: 0,1,4,12,15…

A: Given information: Number of cups 0 1 4 12 15   Number of students 61 84 45 22 8 220

Q: CNNBC recently reported that the mean annual cost of auto insurance is $1019. Assume the standard…

A: Given that  Mean = 1019 Standard deviation = 238 Sample size = 72

Q: A quick quiz consists of a multiple-choice question with 5 possible answers followed by a true/false…

A: Given dataMultiple choice questions with 5 possible answers followed by a true and false5 possible…

Q: The table summarizes results from 985 pedestrian deaths that were caused by automobile accidents.…

A: Given, 985 deaths were caused by automobile accidents. Driver intoxicated Pedestrian intoxicated…

Q: The table summarizes results from 978 pedestrian deaths that were caused by automobile accidents.…

A: The contingency table is given as follows:   Pedestrian Intoxicated?   Driver…

Q: A hospital emergency room accepts an average of about 47 bone fracture patients per week. Let the…

A: Given,The average no.of bone fracture patients per week is 47 .

Q: If the grades are normally distributed and 8 students received a B, how many students took the…

A: Let C denote the grades of students. Given that X follows N(mean = 82, SD = 5), then  Z = (X -…

Q: Michelle, a telemarketer makes six phone calls per hour and is able to make a sale on 30% of these…

A: The random variable X is making sales. The number of cars per hour is 6. The probability of making a…

Q: 9% of all cars fail the emissions inspection, find the probability that in a sample of 125 cars, 16…

A: Given n=125 P=0.09

Q: A poll showed that 49.2% of Americans say they believe that statistics teachers know the true…

A: Given data:: The probability of the Americans who believe that statistics teachers know the true…

Q: he table summarizes results from 977 pedestrian deaths that were caused by automobile accidents.…

A:

Q: An assessment consists of a true/false question followed by a true/false question. If both questions…

A: Given that an assessment consists of a true/false question followed by a true/false question.

Q: marked as wrong b. the probability that the person is between 67.3 and 69.3 inches is 0.2798

A: = 67 = 2.4

Q: The average time Filipino spent in streaming site is 15 hours per week. Suppose a sample of 65…

A: Define the random variables, Xi : Amount of time spent in streaming site. i=1,2,3,...,65 Given, µ=…

Q: A poll showed that 68.5% of Americans say they believe that Marilyn Monroe had an affair with JFK.…

A: Given information- Percentage of Americans believe that Marilyn Monroe had an affair with JFK =…

Q: In a recent survey, 303 out of 350 residents of Salem, MA said they are planning on passing candy…

A: here given ,  303 out of 350 residents of Salem, MA said they are planning on passing candy during…

Q: Assume that the readings on the thermometers are normally distributed with a mean of 0° and standard…

A:

Q: A poll showed that 46.1% of Americans say they believe that statistics teachers know the true…

A: Given : The proportion of who believe that statistics teacher know the true meaning of  life : p =…

Q: The table summarizes results from 981 pedestrian deaths that were caused by automobile accidents.…

A: Given  DriverIntoxicated? Pedestrian Intoxicated? Yes No Yes 59 81 No 215 626

Q: A research firm claims that the distribution of the days of the week that people are most likely to…

A: The question is about categorical data analysis.Given :

Q: The table summarizes results from 979 pedestrian deaths that were caused by automobile accidents.…

A: From the provided information,   Pedestrian Intoxicated Pedestrian Intoxicated…

Q: Steven ran the 100 meter dash in 13 seconds.  What is his T-score if the class mean was 14 seconds…

A: t statistic

Q: The table summarizes results from 980 pedestrian deaths that were caused by automobile accidents.…

A: Given data:   Pedestrian Intoxicated   Driver Intoxicated Yes No Total Yes 56 84 140 No 215…

Q: find the probability of given data:   left of z score -2.3 between the z score  -2.3 and 1.53

A:

Q: The table summarizes results from 978 pedestrian deaths that were caused by automobile accidents.…

A: It is given that,

Q: If one of the pedestrian deaths is randomly selected, find the probability that the pedestrian was…

A: The data is given by   Pedestrian intoxicated (Yes) No Total Driver intoxicated (Yes) 44 70 114…

Q: A professor grades students on four tests, a term paper, and a final examination. Each test   counts…

A:

Q: c. What is the probability that a randomly selected tax return refund will be between $3200 and…

A: given dataμ=3142σ=926normal distribution

Q: The table summarizes results from 978 pedestrian deaths that were caused by automobile accidents.…

A: Solution:                                                                Pedestrian Intoxicated…

Q: A poll showed that 69.3% of Americans say they believe that statistics teachers know the true…

A:

Q: furnace bills are normally distributed.  With a mean of 273 and an SD of 30.  If 144 bills are…

A: Let M denote the mean of sample of n = 144 bills. Then M follows N(mean = 273, SD = 30/√(144) = 2.5)…

Q: High school seniors who are accepted to TCNJ have a 60% yield rate, meaning that 60% of accepted…

A: Given information, the percentage of accepted students decide to attend TCNJ is 60% and there are 3…

Q: Michelle, a telemarketer makes six phone calls per hour and is able to make a sale on 30% of these…

A: The question is about discrete probability distribution Given : No. phone call telemarketers makes…

Q: A student takes a true-false test but did not study and randomly guesses each answer. There are 20…

A:

Q: The table summarizes results from 988 pedestrian deaths that were caused by automobile accidents.…

A: The table summarizes results from 988 pedestrian deaths that were caused by automobile accidents.…

Q: The table summarizes results from 976 pedestrian deaths that were caused by automobile accidents.…

A: From the provided information,Total pedestrian deaths = 976One pedestrian death is randomly…

Q: A sports statistician recorded the speed of every serve made by a certain tennis player at the U.S.…

A: It is given that the mean serve speed in the tournament is 98 miles.The distribution of the serve…

Q: A professor grades students on three tests, four quizzes, and a final examination. Each test counts…

A: It is given that Sara has test scores of 95, 70, and 86, quiz scores are 91, 66, 76, 85 and her…

Q: d. The degrees of freedom = e. The test-statistic for this data (Please show your answer to three…

A: d. Degrees of freedom: df=number of categories-1   =4-1   =3

Q: The mean number of eggs that a person consumes per year is 293.6 pieces. Assume that the standard…

A:

Q: Allie has 5 exam scores 98, 94, 84, 95 and 95 in math class. What score does she need on the final…

A: According to questionAllie has 5 exam scores 98, 94,84,95 and 95 in math classWe have to calculate…

Q: The Center for Disease Control has found that the probability a woman in the United States dies from…

A: Given that  the probability a woman in the United States dies from kidney disease is 7.6% a woman in…

Q: poll showed that 55.3% of Americans say they believe that statistics teachers know the true meaning…

A: