Suppose the average number of high schools in the Greater Metroplex Area that use the maximum...
Suppose the average number of high schools in the Greater Metroplex Area that use the maximum number of officiants for their volleyball games is 4.6 per month. Suppose the probability of using the maximum number of officiants per month is constant and independent from month to month. Find the probability that at least 8 high schools use the maximum number of officiants in a three month season.
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Suppose the average number of high schools in the Greater
Metroplex Area that use the maximum...
The table below shows the number of students from three different high schools participating in the...
The table below shows the number of students from three different high schools participating in the mathematics and physics sections of a science fair: Number of Students High School 1 High School 2 High School 3 Mathematics 8 9 12 Physics 28 20 19 Using a .05 level of significance, test the claim that the section of participation and the high school where the students were from are independent. Group of answer choices There is evidence to reject the claim...
Suppose that the average number of airline crashes in a country is 2.5 per month.
Suppose that the average number of airline crashes in a country is 2.5 per month. (a) What is the probability that there will be at least 3 accident in the next month? probability = __?__ (b)What is the probability that there will be at least 6 accident in the next two month? probability = __?__ (c) What is the probability that there will be at most 5 accident in the next three month? probability = __?__
There are 180 primary schools in a country area having an average of 30 or more...
There are 180 primary schools in a country area having an average of 30 or more people under the age of 21 per class. A sample of 30 schools drawn using systematic sampling with an interval of k= 6. Serial number 1 2 3 4 5 6 7 8 9 10 No. of students 60 200 45 50 40 79 35 41 30 120 Serial number 11 12 13 14 15 16 17 18 19 20 No. of students 300...
Suppose that the number of potholes per one city block in the Bywater area of New...
Suppose that the number of potholes per one city block in the Bywater area of New Orleans follow a Poisson distribution with an average of 2.5 potholes. Find the probability of at least 1 pothole in one city block of the Bywater.
Question 17 of 21 5 Points Suppose that the number of goals scored by the Andover...
Question 17 of 21 5 Points Suppose that the number of goals scored by the Andover High School lacrosse team is Poisson distributed with a mean (L) of 3.3 per game. If we randomly attended 5 games last season, what is the probability we saw Andover shut out at least 3 times? (Note: being shut out means Andover scored no goals) EXCEL COMMAND
Per gallan in the iy Use u. the true avgemieage of the tbra Ha : μ 7) Carter Moeor Company claims that its new sedan, the Libra, will average better than 19 miles c 19 A) Ho HR19 Ha : μ < 19 H...
Per gallan in the iy Use u. the true avgemieage of the tbra Ha : μ 7) Carter Moeor Company claims that its new sedan, the Libra, will average better than 19 miles c 19 A) Ho HR19 Ha : μ < 19 Ha :Hs19 19 Ha : μ > 19 8) The owner of a football team claims that the average attendance at games is over 82,200, and 8) he is therefore justified in moving the team to a...
0.8 points S Suppose that the average number of new clients that a sales representative signs...
0.8 points S Suppose that the average number of new clients that a sales representative signs in a month is 25 and that the distribution of this random variable is Poisson. What is the probability that any given sales representative will sign more than 30 new clients in a month? Answer to at least four decimal places. You may find it easier to use excel than to use a calculator for this one
In Exercises 3-5, find the indicated probabilities using the geometric distribution, the Poisson distribution, or the...
In Exercises 3-5, find the indicated probabilities using the geometric distribution, the Poisson distribution, or the binomial distribution. Then determine whether the events are unusual. If convenient, use a table or technology to find the probabilities. 3. Thirty-six percent of Americans think there is stil a need for the practice of changing their clocks for Daylight Savings Time. You randomly select seven Americans. Find the probability that the number of Americans who say there is still a need for changing...
The table shown to the right gives the national average pupil-teacher ratio in public schools over...
The table shown to the right gives the national average pupil-teacher ratio in public schools over selected years. a. Find the equation for the least squares line. Let x Correspond to the number of years since 1990 and let y correspond to the average number of pupils per 1 teacher. b. Use the answer from part a to predict the pupil-teacher ratio in 2020. Does this seem realistic? c. Calculate and interpret the correlation coefficient. TTTTT Year 1900 1993 1908...
In baseball, the statistic Walks plus Hits per Inning Pitched (WHIP) measures the average number of...
In baseball, the statistic Walks plus Hits per Inning Pitched (WHIP) measures the average number of hits and walks allowed by a pitcher per inning. In a recent season, Burt recorded a WHIP of 1.315. Find the probability that, in a randomly selected inning, Burt allowed a total of 3 or more walks and hits. Use Excel to find the probability. Round your answer to three decimal places.
Question 17 of 21 5 Points Suppose that the number of goals scored by the Andover High School lacrosse team is Poisson distributed with a mean (L) of 3.3 per game. If we randomly attended 5 games last season, what is the probability we saw Andover shut out at least 3 times? (Note: being shut out means Andover scored no goals) EXCEL COMMAND
Per gallan in the iy Use u. the true avgemieage of the tbra Ha : μ 7) Carter Moeor Company claims that its new sedan, the Libra, will average better than 19 miles c 19 A) Ho HR19 Ha : μ < 19 Ha :Hs19 19 Ha : μ > 19 8) The owner of a football team claims that the average attendance at games is over 82,200, and 8) he is therefore justified in moving the team to a...
0.8 points S Suppose that the average number of new clients that a sales representative signs in a month is 25 and that the distribution of this random variable is Poisson. What is the probability that any given sales representative will sign more than 30 new clients in a month? Answer to at least four decimal places. You may find it easier to use excel than to use a calculator for this one
In Exercises 3-5, find the indicated probabilities using the geometric distribution, the Poisson distribution, or the binomial distribution. Then determine whether the events are unusual. If convenient, use a table or technology to find the probabilities. 3. Thirty-six percent of Americans think there is stil a need for the practice of changing their clocks for Daylight Savings Time. You randomly select seven Americans. Find the probability that the number of Americans who say there is still a need for changing...
The table shown to the right gives the national average pupil-teacher ratio in public schools over selected years. a. Find the equation for the least squares line. Let x Correspond to the number of years since 1990 and let y correspond to the average number of pupils per 1 teacher. b. Use the answer from part a to predict the pupil-teacher ratio in 2020. Does this seem realistic? c. Calculate and interpret the correlation coefficient. TTTTT Year 1900 1993 1908...
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