Find Pe which is the score separating the bottom 64% from the top 36%.

Q: Determine the proportion, p, of the sum of the numbers that are between 0.10 and 0.60. Give your…

A: For a given triangle, the total area is bh/2. That is, bh2=1,        since area under the curve is…

Q: 4.72b: What is the requested score?

A: From the question 4.70,the score of mean is 513 and standard deviation 130 and the scores are…

Q: Find 54th percentile, P54, from the following…

A: Enter the data in excel as shown below

Q: What proportion of z scores lie beteeen -2 and +2 in the height in inches data set? Round your…

A:

Q: In the following groups of scores, which score is the outlier? 2,81,82,82,84

A:

Q: Given: 4 = 43,0 3. What is the raw score when:

A: Let X be the raw score from normal distribution with mean (μ) = 45 and standard deviation      (σ) =…

Q: Estimate what percentage of the class received a B

A: Introduction: In a pie chart, the complete circle of 360 degrees indicates the complete, 100% of the…

Q: On three examinations, Ivana received 90.5,87 2, 80.7. What score does Ivana need in the fourth…

A:

Q: What is the average? 3,4,5,8

A: Given observation 3,4,5,8 sum = 3+4+5+8 = 20 Number of observation = 4

Q: Explain the value of p?

A:

Q: The temperature for the last 5 days were: 75⁰F, 66⁰F, 80⁰F, 68⁰F and 73⁰F. What was the mean…

A:

Q: 95 percent divided .025 what is the z score?

A: The z-score is obtained as given below: PZ≤z=0.025z=ϕ-10.025=-1.96  Using Standard normal table

Q: Four out of five students got As in math. What percent of students got As in math?

A: From the Percentages

Q: what is the table for (p ˄ q) → (p ˅ q)?

A:

Q: The compliment of guessing 3 correct answers on a 4-multiple-choice quiz is?

A: From the given data, we have to say that The compliment of guessing 3 correct answers on a…

Q: Greg wants to estimate the percentage of people who lease a car. He surveys 340 individuals and…

A: Sample proportion:Here, the proportion p-cap denotes the people who lease a car. That is, the sample…

Q: Find P65, the 65th percentile.

A: Normal distribution is the most widely used distributions . All mathematical complexities get easily…

Q: On a multiple-choice test over English vocabulary, LaTosha got 35 out of 36 correct. What percent of…

A: The number of questions correct is 35.

Q: What is Difference Score?

A: Difference score is basically the change or the difference between any two test statistic or test…

Q: What are the steps for Finding Proportions for One Score?

A:

Q: Carl earned grades of 62, 78, and 89 on four math tests. What is the mean of his grades?

A: The grades earned by Carl are : 62, 78 and 89 The number of grades, n=3 To evaluate : The mean of…

Q: The 1994 Northridge, California earthquake measured about 5,011,000 times as intense as a 0-level…

A:

Q: a) What percent of computer science majors are most comfortable with Java? Round to 1 decimal place.…

A:

Q: A telecommunications company conducted a survey about cell phone companies. Of 1800 randomly and…

A: given  x = 1275 preferred AT&T to Sprint n =Of 1800 randomly and independently selected people…

Q: What are the percentages of scores that fall between -1 and 0/0 and 1

A:

Q: What is the p value if the mean is 98.6, n=7, t= -2.114?

A: The P-value is the probability that provides strong evidence in favor of the alternative hypothesis.…

Q: When 410 college students were surveyed,150 said they own their car. Find a point estimate for p…

A: Given Data: The number of college student was surveyed is: n=410 The number of a student owning…

Q: What percentage of scores are between scores 75 and 89?

A: By emperical rule  P(-1<Z<1)= 0.68 P(-2<Z<2)=0.95 P(-3<Z<3)= 0.

Q: Explain the sample mean of the difference scores varies.

A:

Q: Find the probability of selecting either a non-smoker or a woman when you select a person at random…

A:

Q: proportion of the minority students? Calculate Is this P or P^ ?

A: Given that  Total members of high school (n)= 1,672,395 Minority students (x) =793,986   We know…

Q: Briefly explain how the officer collects the sample based on stratified sampling

A: Stratified sampling is the type of sampling where we divide our population into different strata,…

Q: How do i calculate finding the percentage between two z scores?

A: To find the probability between two z-scores: z-score represents the number of standard deviations…

Q: Find the average if you got 100 on a test worth 20% of the course grade, 90 on a test worth 30% of…

A:

Q: in the highest 2.5 percent eat?  What is the z-score

A: Given that 2.5% of the highest area present in the data. That is, P(Z>z)=2.5%=0.025…

Q: What is the average? 3 4 5 8

A: To find the average we add the numbers first. Then divide by the total number of entries.  Total of…

Q: On a multiple-choice test over English vocabulary, LaTosha got 35 out of 36 correct. What percent of…

A: The provided information is  on multiple-choice test over English vocabulary  LaTosha got 35 out of…

Q: What is the value of ΣX2 for the scores 2, 4, and 5?

A: The scores are given as 2, 4, and 5.

Q: if the 90% Ci for the population mean is ( -2.58, 7.54) what is the sample mean

A:

Q: What score separates the top 1% of students from the bottom 99% ?

A: Given Information: Mean μ=80 Standard deviation σ=20

Q: Which player had the higher average points when compared to the other players on his team? O Fredo

A: Given information: The average points and standard deviations for the players Freda and Kari…

Q: In the following group of scores, which score is the outlier? __________ 2, 81, 82, 82, 84

A: Given data is 2 , 81 , 82 , 82 , 84sample size(n)=5

Q: What is the purpose of doing a multiple comparison?

A: One way ANOVA: One way analysis of variance is used to compare means between more than two groups.…

Q: Find the sample proportion, p-hat. When 410 college students were surveyed,150 said they own their…

A: Given, The objective is to find the point estimate for p (p-hat), the population proportion of…

Q: What is the average? 3458

A: Average is given by, Average= (summation Xi)/n

Q: The median salary of the 1,073 teachers in a large public school district is 38,850 dollars. If the…

A: From the given information, Total number of teachers =1073 Median salary of a teacher = $ 38,850…

Q: hair

A: X% of y = x/100 * y

Q: On a quick survey, respondents had to pick their favorite dessert from ice cream, cake, chocolate,…

A: Fraction of respondents pick ice-cream=25Fraction of respondents pick chocolate=13Fraction of…

Q: While at the Mall of America, Consumer Guide Report surveyed 500 people and asked them to list the…

A: