the average score of 10 students is 85. what will be the mean if another student will take the test and score 20
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: there are 8 girls and 5 boys on the math team . which ratio correctly describes the relationship…
A: There are 8 girls and 5 boys on the math team. Ratio indicates how many times one number contains…
Q: If you worried that there is a 35% chance that you will fail upcoming test, what is the probability…
A: Given: the chance of failing in the given test is
Q: The average amount of money held by each child in a group of 5 is $0.50.If one of the children loses…
A: Given that: Total number of child = 5Average money held by each child = $0.50
Q: A restaurant server claims that 49% of the time he leaves candy with the bill, the customer "tips…
A: Given : n = 5 p = 0.49
Q: Hans has scored 75, 73, and 93 on his previous three tests. What score does he need on his next test…
A: Person H has scored 75, 73, and 93 on his last three tests.
Q: Sally just received her SAT results. Her SAT mathematics score was 600 and is in the 74th…
A: The score is 600 and it is the 74th percentile.
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: you scored 88,92,and 87 on three tests.Write and solve an equation to find the score you need on the…
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Q: Rob and Maria were comparing test scores in their math class. Rob had three tests of 82, 85 and 73.…
A: Given, scores of Rob are 82,85,73. And scores of 75,79,and 86 We know, Arithmetic mean=sum of…
Q: Four students drove from New York to Florida (1200 miles) at a speed of 40 mi/hr. Because they…
A:
Q: Is the average time to complete an obstacle course longer when a patch is placed over the right eye…
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Q: Explain the value of p?
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Q: On Wednesday the average temperature outside was 40F. On thursday and friday it was 48F and 38F,…
A: Given information: Given that on Wednesday, the average temperature is 40F. On Thursday and Friday,…
Q: Jackie and Angel both took exams last week. Jackie scored a 82 while Angel scored a 77. The mean and…
A: It is given that For JackieMean = 91SD = 3 For AngelMean = 80SD = 2
Q: You pick three different numbers from 1 and 12. If you pick all the numbers correctly you win…
A:
Q: Alex is 80th in his class of 320 students. What is his percentile rank in class?
A: Data given p=80, n=320
Q: A poll showed that 46.9% of Americans say they believe that some psychics can help solve murder…
A:
Q: Shen took 9 test this year. His mean score was 69 points. How many total points did he earn for the…
A: From the provided information, Shen took 9 test this year that is n = 9 Mean score (x̄) = 69 points
Q: The lacrosse team has a 55% chance of winning its upcoming games. Find the probability of them…
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Q: Researchers tracked the 100 students to see how far they would get in their educational attainment.…
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Q: Eight hundred student took a 90-point standardized examination. After the examination, the students…
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Q: (papaau se segpid se technology to calculate the P-value. P-value = (Round to four decimal places as…
A: Given that Sample sizes for country C and Country D is n1=1024 , n2=1078 Level of significance…
Q: Michelle's Mega Muffins recently sold 6 muffins, of which 3 were poppy seed muffins. Considering…
A: Given that, Michelle's Mega Muffins sold 6 muffins, of which 3 were poppy seed muffins. To find how…
Q: Write a short note on average.
A: Mean (average): The arithmetic mean (also called the average) is the most commonly used measure of…
Q: Hakim created his own deck of cards for a magic trick. He decorated all the cards with pictures of…
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Q: It is known that, in a small town, 0.22 percent people are allergic to pollen and 0.2 percent people…
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Q: Howard scored in the 55th percentile rank on an exam. If 400 students took the exam, how many…
A: Note:Hi there! Thank you for posting the question. To avoid plagiarism issues, we have used the…
Q: The test score at the 25th percentile is 108. What is the test score at the 75th percentile?
A: Solution
Q: A statistics instructor gave a final exam to his class. He recorded how many minutes it took each of…
A: N=population size=50. The time taken by the student to complete the exam are given.
Q: Marla scored 70% on her last unit exam in her statistics class. When Marla took the SAT exam, she…
A: solution: The difference is that Marla’s exam in her statistics class was graded by percent of…
Q: Forty percent of the 25 customer who came this morning are adults and the rest are teen. How many…
A: Given: 40% of 25 customers are adults.
Q: A student's test grade of 75 represents the 65th percentile of the grades. What percent of students…
A: One way of looking at percentiles is that percentile is the percentage of people who did worse than…
Q: A class uses weighted averages to calculate your course grade. Homework is worth 75% of your course…
A: The formula of weighted average is given by, Xm = ∑xw/∑w = sum of (number × weighing factor)/sum…
Q: local competitive board game club only admits members who gain an accumulated competition score that…
A: According to our policy we can answer only first question for remaining please repost the question.
Q: The mean weight of 150 students in a certain class is 60 kg. The mean weight of boys in the class is…
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Q: Jose has scored 79 , 84 , and 85 on his previous three tests. What score does he need on…
A: Step 1:. The formula for average is:Average=Number of scoresSum of all scores Let's apply this…
Q: on a multiple choice test with 20 questions, each question has 4 possible answers, one of which is…
A: We have to find mean for students who guess at all correct answers..
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- The average of Molly's 5 quiz scores is 9.0.If her highest test score is dropped , her average is lowered to 8.5 . What was her highest test score ?Cricket’s is a popular club for students from the nearby college. The club had 840 customers during Labor Day weekend. If 487 of those customers were under 26 years of age, find the percent under 26.On Thursday a restaurant served iced tea to 35 of its 140 customers what percent of its customers ordered ice tea
- Records show that 13% of all college students are foreign students who also smoke. It is also known that 50% of all foreign college students smoke. What percent of the students at this university are foreign? Percent of the studentsUberya Towing Services repair vehicles that break down at an average 7.5 vehicles per day. The mechanic crew can service an average of 10 vehicles per day. What is the average time before the facility can return a breakdown to service?I need help.
- Brandon's score in the high jump at a track and field event showed that he was only able to jump higher than 27% of his competitors. Find the z score for Brandon's high jump score.The average salary of male employees in a firm was $520 and that of females was $420. The mean salary of all the employees was 500. Find the percentage of male and female employees.The average age of a group of 8 people is 22. After the oldest person leaves the room the average age decreases to 20. How old was the person who left the room?
- Cameron is birdwatching at the coast. He has seen 3 gulls and 6 other birds. Considering this data, how many of the next 18 birds Cameron sees would you expect to be gulls?Titus has collected a set of data and calculated the median to be 29 the set contains 75 numbers but Titus gives an email telling him to add the following six numbers to his data 2326 2630 3340 what is the new median for this dataThe lacrosse team has a 65% chance of winning its upcoming games. Find the probability of them winning 8 out of their next 9 matches. Express your answer as a percentage.
