Q: what is the significance of the equal sign?
A: Explanation of the answer is as follows
Q: A questionnaire is sent to 10000 persons. 5000 responded to the questionnaire. 3000 of the…
A: From the provided information, the survey is based on questionnaire sent to 10,000 persons. This…
Q: Nhat proportion would you expect to have less than 5 accidents?
A: Let , X→N(μ=6.4 , σ=1.5) Here , we want to find the P(X<5)
Q: Find the proportion of observations such that z > 2.85 z (Enter your answer rounded to four decimal…
A:
Q: (a) What is the value of u;? The value of p; is
A: The location of peak is 600 and the inflection points are 560 and 640
Q: just need part b. I need the p-value for part b, please.
A: Here we want to find the p value vir the correlation coefficient.
Q: d. Is the pointer on Spinner 2 more likely to land on section A than on B or C? Explain. e. Which…
A: Given three spinners with A , B and C portions among each of them.
Q: What is the Margin of Error, E?
A: Since the sample size is small and population SD is unknown then we will use critical value based on…
Q: In a class with 25 student there are 6 student very talentet in the subject of art. What percentage…
A:
Q: The chart below shows the scores in a spelling test for a group of 6th-grade students. What…
A:
Q: How did you get p value from hats given?
A: Solution-: We have test statistic=t_{stat}=-2.115 and df=87 We want to find the how to get p-value=?…
Q: factor
A:
Q: C. What percentage of the students studied for more than 5.8 hours? d. Harry noticed that he scored…
A: Given : Mean = 4.6 Standard deviation = 1.2
Q: What is P( yellow | girl ) ? ( look at the image )
A:
Q: 3. What is the difference between the altitude rule and the leg rule?
A: Difference between leg rule and altitude rule.
Q: 5. What is the value of b?
A:
Q: : _____ ( to 2 decim
A: It is given that the value of the t-test statistic is t = 3 The degree of freedom is df = n - 1…
Q: 44. What is the value of E(X + 3)² for the scores: 1, 5, 7, 11?
A: Given score is 1, 5, 7, 11
Q: In one of the labs, a student took multiple measurements for the length of a wooden board. The…
A: 1. Since , there are 6 observations are given . Our aim is to find the average length of the wooden…
Q: Here is a typical statement made by the media: "Based on a recent study, pennies weigh an average…
A: Since the statement deals with margin of error, it is necessary to specify the confidence level.…
Q: 11
A: To find value of v 5370=1700v2
Q: What is the measure of b?
A:
Q: Q1 = 60 Q3 = 100, what is the SIQR?
A: Formula for semi interquatile range is SIQR = (Q3-Q1)/2
Q: IN (2) OUT (9) 4.
A:
Q: Source df S MS Group 2 318.5333 (C) Error 12 (A) 19.0667 Total 14 (В)
A: Given that ANOVA table Source df SS MS F Group 2 318.5333 (C) 8.351 Error 12 (A) 19.0667…
Q: eristics 0.58, P(B) = 0.46,
A: Given THAT, 1) P(A)=0.58 2)
Q: 6TH GRADE MA MON There are 28 students in math class, 22 of the tudents passed a recent rest. What…
A: Given query is to find the percentage of students passed the test.
Q: 142 The average marks secured by 50 students was 44. Later on, it was discovered that a score 36 was…
A:
Q: The expression S(Xi) directs us to find the sum of scores median average of the scores middle…
A: The expression S(Xi) directs us to find the sum of scores
Q: There are 300 students in Dirk's grade. 96 of the students are enrolled in health. What percentage…
A:
Q: Mr. Sanyal is ranking electronic tablets in order of preference based on screen size, RAM, ROM,…
A: The scales of measurements can be different types. The data can be qualitative and quantitative. The…
Q: how many classes are there and what is the class width? what is the what is the percentage of…
A: From the given frequency table find # classes = ? width =? x =# of hours played video game P(…
Q: 5. The average cost of mini protein bars is between $30 and $60. What is the range of the number of…
A:
Q: At a restaurant, when a customer buys 4 pretzels, the fifth pretzel is free. Soft pretzels cost…
A:
Q: mple is rder to be 99% confident that the sample proportion will not differ from the true proportion…
A: Given : Margin of error: ME = 0.06 sample proportion: p̂ = 0.23
Q: what is the mean when pi= 0.25 and n=40?
A: Solution: From the given information, pi=0.25 and n=40.
Q: sida y-l
A: For y intercept, put x=0 Hence y intercept = 16/5
Q: 1. The grades of a student on seven examinations were 85, 96, 72, 89, 95, 82 and 85. Find the…
A: The given data is 85,96,72,89,95,82,85 We need to find students average grade
Q: What is Approximate Numbers?
A:
Q: Rene scored at the 84th percentile on a test given to 12,600 students. How many students scored…
A: Given Rene scored at the 84th percentile a test given to 12,600 students. How many students scored…
Q: What is the average required by the city council for a student to be scholar? Answer: Are they…
A: Given: Average of Ana is 85 Average of Ben is 97
Q: What is the relationship between R sqare and p-value?
A: Relationship between R square and p-value
Q: Fifty students appeared in an examination. The result of the passed students are given below: Marks…
A:
Q: To compensate for too much cargo on a plane with 40.25 gal of fuel, fuel was drained. First 8.3…
A: 25.7 gallons
Q: What percentage of IQ's are: a Greater than 95? b. Less than 120? c. Between 90 and 110?
A: Let X be the random variable from Normal distribution with mean (μ) = 100 and standard deviation (σ)…
Q: a. Find the percentage of men meeting the height requirement. What does the result suggest about the…
A: here for men, mean = 69.2 standard deviation = 3.7 height of men = x here for women, mean = 63.9…
Q: what is the scale factor
A: take any of the ordinates of triangle A ( 2, 2) A' (5 , 5 )
Q: 7. On three examinations, Ivana received 90.5, 87.2, 80.7. What score does Ivana need in the fourth…
A: Given: Received Scores 90.5, 87.2, 80.7 Average four examination = 83.5 Required fourth examination…
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