sample n= 30 scores X= 45 corresponds to Z= +1.50 X= 40 corresponds to Z= +1.00 what values are M and S?

Q: After a school field trip, Ben surveyed some Complete the table. Preferred Animal at a Zoo Grade…

A: We need to add the values row wise and column wise to get the totals as shown below

Q: Identify the variable in the informuanu What is the average miles per gallon (mpg) for all new cars?…

A: Given The avg. miles per gallon for all new cars is to be computed. Sample size, n=35 Avg. miles per…

Q: Michael gets test grades of 73, 76, 82, and 87. He gets a 80 on her final exam. Find the weighted…

A:

Q: Let n = 60, p = 0.65, P = .35. Find p90 ?

A:

Q: A 2013 Gallup poll asked randomly selected US adults whether they wanted to stay at their current…

A: Of the 562 men surveyed, 242 wanted to stay at their current weight.Of the 477 women surveyed, 172…

Q: Which number has the least value and why? A. flve hundred twenty thousandths B. elght hundredths C…

A:

Q: A When calculating the difference of proportions, the values of -1 and 1 are the V possible…

A: Given:When calculating the difference of proportions, the values of -1 and 1 are the possible…

Q: -3.7; B+ = 3.4; B = 3.0; and B=2.7. Find e student's GPA for the semester. Math Comparitive Religion…

A: To calculate the student's GPA, we need to convert each letter grade to a numerical value based on…

Q: so is 80% z-score 1.

A: The mean and standard deviation of standard normal distribution are 0 and 1, respectively.

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: Elaine gets quiz grades of 81, 85, and 82. She gets a 72 on her fınal exam. Find the weighted mean…

A: Weighted mean formula = w1x1 + w2x2 + .............+wnxn

Q: P8. In the USA, the mean yearly individual consumption of apples is n(9.5. 2.8) lbs. a. Jody's apple…

A: (P8) (a) Obtain the percentage of the US population that has more extreme consumption, if Jody’s…

Q: 12 or 0.40 30 Mariyln's teacher allowed her to take a makeup test. She scored 14 on the original…

A:

Q: Calculate the grade you need on your Final Exam to receive a final average of 85 in this course.…

A:

Q: Hi, Can you help me with this question? A survey of 600 non fatal accidents show that 261 involved…

A: We have given that,  Favorable cases (X) = 261 and sample size (n) = 600 Then,  We will find the…

Q: Eight consecutive heart beats of a patient per minute are:     72 75 76 (p+3) 71 73 74 p If…

A: Given that,The sample mean  is 75.The data is: 727576      717374            The objective is to…

Q: 17. Sharon made 85, 84, 89, 90, and 77 on her five math quizzes this six weeks. What is the median…

A:

Q: A student scores in the 70th percentile on an exam. What does that mean? Choose the best answer.…

A: We know that the Percentile is used as a ranking of various students who take an exam. It means that…

Q: What is the mean for the combined set if both of the original samples have n = 4 scores? What is the…

A: Given that For sample 1, mean M1 = 8 For sample 2, mean M2 = 16

Q: M= 90 SD= 7.8 What raw score is needed to be in the top 8%?

A: *Mean μ=90SD σ=7.8Top 8%⇒P(X>x)=0.08⇒P(X≤x)=092Corresponding  z-score is obtained as

Q: Use the information provided here to answer the following questions. H0 : p 60, n 36, Xbar = 58.…

A: option (a) which is the information provided characterizes one smaple, one sided test is correct…

Q: The chances of winning an election for party "V" is 83%.On an average how many times did party "V"…

A:

Q: The data set shows the numbers of flowers that students on a field trip correctly identified. What…

A:

Q: The stem and leaf plot shows house sale prices over the last week in Florence for how much was the…

A: Stem and leaf plot.   The stems are listed in the left side of the vertical line and these numbers…

Q: Solve the problem. 5) Michael gets test grades of 73, 77, 82, and 86. He gets a 93 on her final…

A: The test grades are 73, 77, 82, and 86 and the final exam grade is 93.

Q: 2-sample t-test 7. A history professor wants to see if students will read more pages of their…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Use the values on the number line to find the sampling error. 3.6 38 for The sampling error is

A: We have to find sampling error.

Q: How do ypu find the preducted score is the price is $60

A: Let the independent variable (x) = price ($) Let the dependent variable (y) = overall score The…

Q: Can you calculate the grades. The green ones are the grades got on each exam.

A: To calculate the grades of the marks obtained in each exam that are represented by color green.…

Q: Yes O No What sampling distribution will you use? O Student's t O uniform O normal O binomial…

A: As requested, I have provided answer for only blanks

Q: A boxplot for a set of 40 scores is given below. T 5 6 T 7 8 9 DATA How many scores are represented…

A: Box plot has five number summaries: Minimum First quartile (Q1) Median(Q2) Third quartile(Q3) and…

Q: Find mean when n is 20 and p is 0.78

A: Given: Number of trials (n) = 20 Probability of success (p)=0.78

Q: hich is the most accurate way to estimate 32% of 79

A: To determine which is the most accurate way to estimate 32% of 79.

Q: Use the following data to answer the next set of questions. Round your answers to the nearest…

A: Data according to first graph (Timberwolves) is, X = 0,3,5,5,6,6,6,8,8,8,8,8,9,9,9,10 n1 = 16 Mean…

Q: 38 x 14

A: To multiply: 38×14

Q: Sarah is training for a bike race she rides her bike 5 3/4 miles in 1/3 hour. What is her rate in…

A:

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.