Which of the following graphs represents a binomial distribution with n=20 and p = 0.25?

Q: The gestation period (length of pregnancy) of a certain species is approxi- mately normally…

A: Given,mean(μ)=6standard deviation(σ)=12

Q: High school students from track teams in the state participated in a training program to improve…

A:

Q: 5. A researcher wanted to know if there is a relationship between level of education, previous…

A: Given that, There are three variables: education level, current salary, and previous experience. The…

Q: A study was conducted to demonstrate that soybeans inoculated with nitrogen-fixing bacteria yield…

A: Given: There are 8 inoculated plants (I) and 8 uninoculated plants (U). Sample number I U 1…

Q: Consider the sample made of the following 10 observed values: X1 X2 X3 X4 X5 X6 X7 X8 X9 X10 41 50…

A: Given data is41,50,43,46,47,45,48,44,39,41sample size(n)=10

Q: n 2005, the percentage of airline ticket purchasers who actually arrive to take their flight is 88%.…

A: Here given that p=0.88 and n is 54 and x is 47. So we know that mean =u= np=0.88×54=47.52 and  s.d.=…

Q: I need answer for the second question pl

A: s = 10 old reliability = probability of passing = 0.66 The confidence Interval is given as: CI =…

Q: A jar contains 4 pennies, 3 nickels and 6 dimes. A child selects 2 coins at random without…

A: 4 pennies 3 nickels 6 dimes ______________ 13 total coins   select 2 coins at random without…

Q: A) Does this provide statistically significant evidence at the 1% significance level that the rule…

A: Let p be the population proportion of high school athletes who required reconstructive surgery.…

Q: In 2005, the percentage of airline ticket purchasers who actually arrive to take their flight is…

A: P (arrive ) =0.88 Sold tickets n = 50 Total seats x = 48 If number of arrivals are greater than 48…

Q: Find the slope of the line shown below -3 -2 slope = 3- 2 -2 -3 T? -5+

A: Given The geometrical figure is given by Let the straight line be AB which intersect the X axis and…

Q: calculate Plo≤ x ≤3) Y 5 P(X, Y) X 0 5 10 0 10 ·06.02 -02 ·04 1.15 -20 ・01 1.15 . . 15 IA 10 91' .01

A: For given joint probability data  we need to find cov(X,Y) formula. also we need P(0≤X≤3)

Q: what is the question to D  To choose the 8 songs, the director writes the name of each of the 12…

A: From given data, we have 12 song. in this 12 song, Four songs are soprano solos. here sample space ,…

Q: Under what circumstances is that fact also true for systematic random​ sampling? Explain your

A:

Q: 3. In a random sample, 9 students were asked to compute the distance (kilometer) they travel one way…

A: The question is about measures  Given :   To find : 1 ) Interquartile range 2 ) Var. 3 ) Std.…

Q: In the book Advanced Managerial Accounting, Robert P. Magee discusses monitoring cost variances. A…

A: Given information: The mean cost variance and the standard deviation of the mean cost variance of…

Q: p(a)= 0.40 and p(b) = 0.20 and p(b|a)= 0.30 find p(a|b) A) 0.15 B) 0.36 C) 0.69 D) 0.00 E) 0.18

A: We have given that p(a)= 0.40  p(b) = 0.20  p(b|a)= 0.30 p(a|b) = ?

Q: Assume that researchers determined that children who showed symptoms of ADD in 18 seconds or less…

A: Given that Relative frequency distribution table  Time (in seconds) Relative Percent 1-6…

Q: A vendor of milk products produces and sells low-fat dry milk to a company that uses  it to produce…

A: Given that: Lot Number Company Test Results Vendor Test Results 1 0.50 0.79 2…

Q: With S₁ S₁US₂. = (2,3,5,7), S₂ = {2, 4, 5, 8, 9} and U= {1: 10} compute

A: Given that S1={2,3,5,7} S2={2,4,5,8,9} U={1:10} We have to find S-1US2

Q: The hourly salary in a particular industry are normally distributed with mean RM13.20 and  standard…

A: (a)   Obtain the probability that the average salary of these 30 workers is less than RM13.00 per…

Q: UPSA conducts both day and evening sessions for MBA programmes intended to be the same in  quality…

A: From the provided information, n1=25x1=72.4s1=14.8n2=25x2=73.9s2=17.9α=0.01

Q: The mean age of ZU instructors is 50 years, with a standard deviation of 8 years. Which of the…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: Item#05 | Multiple Choice In problem number 4, what is the production yield of a total output of…

A: From the previous part we have n = 1350 x = 15 p = x/n = 15/1350 = 0.011

Q: Find z when the area to the left of z is .05.

A: area to the left of Z is 0.5 find Z = ?    standard normal distribution Z~N(0,1)

Q: 6.18 Heart transplant success. The Stanford University Heart Transplant Study was conducted to de-…

A: Solution  :  A binomial distribution  is approximated  to normal  distribution only when the below…

Q: A random sample of 47 cars in the drive-thru of a popular fast food restaurant revealed an average…

A: The question is about confidence interval Given : Randomly selected no. of cars ( n ) = 47 Sample…

Q: To choose the 8 songs, the director writes the name of each of the 12 songs on a slip of paper, puts…

A: Given information, A director writes names of 12 song on a slip of paper and put in a hat. A person…

Q: 5. Suppose T≥ 0 is a continuous RV with density f. Recall that for n ≥ 1, the n-moment of T is…

A: From the given information, T≥0 is a continuous random variable with density f. ETn=∫0∞tnftdt

Q: The height of a male college freshman have a normal distribution with the mean 71 inched and…

A: Solution: To find the probability that a randomly selected college freshman has a height between…

Q: A researcher is interested in finding a 95% confidence interval for the mean number of times per day…

A: Given Information: x¯=30.6s=15.7n=124Confidence level =95%

Q: A surprising number of young adults (ages 19 to 25) still live in their parent's homes. A random…

A: given data  n1 = 2253    x1 = 986p^1 = x1n1 = 9862253 = 0.4376 n2 = 2629    x2 =923p^2 = x2n2 =…

Q: Ina random ample of males, it was found that 23 write with their left lun 217 de . In a random…

A: Given that: Use left-hand to write? Male Female Yes 23 65 No 217 455 Significance level,…

Q: 1. What is the mean of these movie ratings? 3 O A. 4 OB. 5 0 0 55 5 6 6

A: Here given that data is3,5,6,6. So we know that mean =∑(x_i)/n

Q: Use the function cumsum() to calculate the cumulative sumation of the elements of the vector v =…

A: As per Asking in the above problem wd have solved cumulative sum of the following vector…

Q: The machine that dispenses topping properly when 8 grams are dispensed the standard deviation is 2.5…

A: From the provided information, Population standard deviation (σ) = 2.5 Sample mean (x̄) = 7.0 Sample…

Q: Find the 25th, 50th, and 75th percentile from the following list of 32 3932495 66 11 19 75 4 9 14 25…

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

Q: If your inflation forecast for the current month is 0.072 (7.2 percent) and the actual inflation is…

A:

Q: What are the correct hypotheses? Hoi ✓ ✓ Test Statistic z = o 13 O 13 H₁: Based on the hypotheses,…

A: Given that, μ = Mean starting age = 13 years old σ = Population std.dev = 1.9 years X¯ = Sample mean…

Q: Develop 3 sigma level process control charts for monitoring weight of boxes that contain apples. You…

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

Q: Select the correct option. Add the linear expressions 8x+3 and 2x+7.

A: Addition of linear equations :  aX + b = c  pX + q = r  Addition :  (a + p)X + (b+q) = (c+r)

Q: To assess the relationship between monthly sales of a product and monthly advertising…

A: The question is about regression Given : Coefficient of " Advert " ( b1 ) = 1.1762   To find :…

Q: The machine that dispenses topping properly when 8 grams are dispensed the standard deviation is 2.5…

A: Given,sample size(n)=48sample mean(x¯)=7.0population standard deviation(σ)=2.5population mean(μ)=8

Q: (a) The names of the U.S. presidents in order is an example of which of the following? O nominal…

A: A history teacher took a test in which her students have to write down all U.S. presidents' names in…

Q: Four buses carrying 148 students from the same school arrive at a football stadium. The buses carry,…

A: Given that: Number of students carrying by four buses: 40, 33, 25, 50

Q: Estimate the monthly sales if monthly advertising expenditure is 9900 dollars

A: Linear  Regression  model  consist  of one dependent  and one independent  variable.

Q: Population Forecast by Different Methods Problem: Predict the population for the years 1981, 1991,…

A: Given data: Year 1901 1911 1921 1931 1941 1951 1961 1971 Population 60 65 63 72 79 89 97 120…

Q: Approximate the measures of center for following GFDT. Data Frequency 50-54 55-59 60-64 65-69 70-74…

A: Given The data is as follows: Data Frequency 50 - 54 2 55 - 59 4 60 - 64 7 65 - 69 11…

Q: Analyze the Data Given the following values. a. Min = 3 b. M = 16 C. Max 50 6 d. Q₁ = e. Q3 25 f.…

A: Given data Min =3median = 16Max =50Q1=6Q3=25IQR=19

Q: 36 trainees in a technical program were selected according to level of study (I,II,III,IV) and each…

A: The given table is Source of variation Sum of squares Mean Sum of squares level of study 330.9…