using the data X          P (X) 0          0.12 1          0.18 2          0.30 3          0.15 4          0.10 5          0.10 6          0.05   what would P (x=4) equal

Q: VWriat is Which cost represents the 25th percentile? D $9 E. 4 CDs O How many CDs cost between $7…

A: We have given that  From box plot . Minimum =2  Q1=7  Q2=Median =9 Q3=13 Maximum =15

Q: X~ N(4, 0²) If X~ N(10,9) find P(X > 12)Express your answer as a percentage. (zero d.p.)

A: From the provided information, Mean (µ) = 10 Variance (σ2) = 9 Standard deviation (σ) = 3 X~N (10,…

Q: d. What percent of students score between 70 and 90? e. What percent of students score between 95…

A: Let X be random variable of scores for a standardized test X~ Normal(84, 36)   d) To find:…

Q: What should you do when a < p-value? Accept Ho Reject Ho Fail to reject Ho

A: Concept of p-value:The p-value in hypothesis testing is the probability of obtaining a test…

Q: find p (1.2<z<1.75) refer to the table of z-scores

A: We have to find p (1.2&lt;z&lt;1.75) of z-score

Q: To compute a student's Grade Point Average (GPA) for a term, the student's grades for each course…

A:

Q: ning to introduce a new line of cast-iron pans. A marketing nd and price-supply tables for selected…

A: *Answer:

Q: What is the approximate Pvalue for the following values of x and df? (You may need to use a table or…

A:

Q: How do I calculate the test statistic? n1=45; n2= 50 x1= 4.7 mins; x2 = 5 mins s1=1.1 mins; sx -…

A: Solution-: Given: n1=45,n2=50,x1¯=4.7,x2¯=5,s1=1.1,s2=1.0,α=0.05 We find the test statistic=?

Q: find p (z<0.92) refer to the table of x-scores

A: p (z&lt;0.92) =?

Q: To start this off can you complete D and check the first H0 it says its wrong along with the p value…

A: a)The test hypotheses are shown below:Null hypothesis:H0: μ = $494.Alternative hypothesis:H1: μ &gt;…

Q: sample of 25 students who score a mean of 53. a. Shine claims that these students don't have very…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Q2. Suppose you are traveling from Chittagong to Cox's Bazaar by car. The distance between Cox's…

A: The average speed can be calculated by the formula, Average speed=Total distanceTotal time taken.…

Q: Z = (X-H0)/ SE. This is the formula for the Z-score descriptive base-rate inferential

A: Z-score for the sample mean is

Q: Using the data in the table, approximate g′(3). Using correct units, interpret the meaning of g′(3)…

A: Consider a function y =f(x) .Then f '(x) is the rate of change of y with respect to x.

Q: To compute a student's Grade Point Average (GPA) for a term, the student's grades for each course…

A: A student's grades are given as follows.  4.0 in a 5 credit Math course 2.0 in a 3 credit Music…

Q: You are conducting a study to see if the proportion of women over 40 who regularly have mammograms…

A: Solution-: Given: ZStat=Z=2.301,P0=0.88,n=40 We find the p-value=?

Q: Victims of Violence A random survey of 75 women who were victims of violence found that 22 were…

A: Given that  For Women  Sample size (n1)=75 X1 denotes the number of women attacked by relative…

Q: To compute a student's Grade Point Average (GPA) for a term, the student's grades for each course…

A:

Q: how to solve and the answer

A: Given information- The student's grades for each course are weighted by the number of credits for…

Q: What is the approximate p-value related to the results of this test?

A: It is given that Sample size n = 360 Number of subjects experience side effects, X = 47

Q: The label on a bottle of fruit juice claims that the average amount of juice is 16 ounces. A…

A: The one-sample z-test is used to test whether the mean of a population is greater than, less than,…

Q: The mean time for the 100 yard dash for adolescents is 12.04 seconds (M = 12.04, s = 4.1). A runner…

A: Given :  The mean time for the 100 yard dash for adolescents is 12.04 seconds (M = 12.04, s = 4.1).…

Q: Antonio is president of Maths-R-Us and has asked his financial advisor for a report about the…

A: To answer the following questions

Q: A total of 700 individuals take a Civil Service Exam (CSE). You scored 618 out of 800 marks. There…

A:

Q: ) k = 5, n1 = n2 = n3 = 5, n4 = n5 = 4, F = 4.40  what is the range of p-value? 0.05<p-value

A: Degrees of freedom for Between Groups:   Given that k=5   df=k ̶ 1=5-1=4.   Degrees of freedom for…

Q: H0: 0.63  Ha:<0.63 a= 0.05 p-hat= 0.592 n= 250 whats the Z-score? whats the P-value?

A:

Q: 3. The range of values of x for which |x – 4| S 2 is A xS 6 B x <2 or x 2 6 T 25x5 6 D x22

A: Given that: |x-4|≤2

Q: Dr. Stoney has administered a test to his students. He calculated a x̄= 86 and ?? = 12. a. What is…

A: It is given that the mean is 86 and the standard deviation is 12.

Q: To compute a student's Grade Point Average (GPA) for a term, the student's grades for each course…

A: According to the provided information, Student had these grades:4.0 in a 5 credit Math course2.0 in…

Q: grade, eported regularly IkIng coffee. By the time they reach 12th grade, 20 of the 6th grade coffee…

A: given A= coffee drinker=100 B=not drink coffee  = 400 out of A set of kids do juggling = 20…

Q: To compute a student's Grade Point Average (GPA) for a term, the student's grades for each course…

A:

Q: Find the value of the test statistic z The claim is that the proportion of drowning deaths of…

A: From the given information, Probability of success (p0) = 0.30 Sample size (n) = 696 Claim: H0:…

Q: Say you get a z-score of z = 0.35. Find 2 * Pr(Z ≥ |z|)

A: We will use Std. Normal table to find the required probability.

Q: H0: P=0.18 Ha: p=/ 0.18 a= 0.10 p-hat= 0.23 n=200 z- score = 1.84 whats the…

A: Answer - Given, H0: P=0.18                           Ha: p  ≠0.18,  a= 0.10 P^= 0.23 ,   n=200,…

Q: Q. 4 For a research project, suppose you want to compare the mean from a sample of 21 students…

A:

Q: Show that the following equalities hold:

A: Given, ∑i=1N(xi-μ)

Q: The proportion of _______________ _______________ for describes the proportion of all differences in…

A: The answer is option B.

Q: You collect data on SAT scores at Stonehill. You want to compare the average score of a Stonehill…

A:

Q: Example females was Rs. 4,200. The mean salary of all the employees was Rs. 5,000. Find the…

A: Given that  Average of all workers=MA=5000 Average of male workers=MM=5200 Average of female…

Q: exercise - A researcher wishes to try three different techniques to lower the blood pressure of…

A: Given  Medication=10,12,9,15,13  Exercise=6,8,3,0,2  Diet=5,9,12,84

Q: Probability Scores 0.15 0.3 0.35 8 0.15 10 0.05 11 O 5

A: we need to find the expected value of the random variable

Q: To compute a student's Grade Point Average (GPA) for a term, the student's grades for each course…

A:

Q: d. Above a z-score of-3.06 e. Between a z-score of 0 and 3.6 f. Between a z-score of -1.35 and 1.27.…

A: Let Z be the standard normally distributed random variable with mean 0 and standard deviation 1.

Q: Using numerical methods Q3// Find the number of students from the following who scored marks not…

A: We Know that Newton's Forward Interpolation formula is particularly useful for interpolating the…

Q: Test the claim about the population proportion p<0.850 given n- 60 and p = 0.656. Use a = 0.05.

A:

Q: A sample of 150 married women determined that 127 are happy in their marriage. A sample of 150…

A: Given that  n = 150 , X = 127 , p = 76% = 0.76

Q: To compute a student's Grade Point Average (GPA) for a term, the student's grades for each course…

A: A fraction is a number in the form xy (where x and y are both integers and y ≠ 0). In the above…

Q: To compute a student's Grade Point Average (GPA) for a term, the student's grades for each course…

A:

Q: Victims of Violence A random survey of 86 women who were victims of violence found that 20 were…

A: Given information: First sample size is, n1 = 86 women who were victims of violence Out of 86 women,…