B. The following are the scores of 40 students in a test. Compute the mean score. Use the space below to show your solution. Number of Score Students 42 8 50 12 53 9 38 7 46 4

Q: ১২ Contingency Tables and Conditional Probability: Homework and Passing a Course A teacher categoriz...

A:

Q: 200! 7) 198!

A: we know thatn!=n×(n-1)×(n-2)×......×1

Q: What kind of tail distribution is the above statement?

A: Here Given Statement is  The average statistics score of  63 student is 96   

Q: Individuals involved in the criminal justice system are thought to display many lynamic criminogenic...

A: Null Hypothesis: H0: There is no significance of the correlation coefficient  between Dynamic and St...

Q: 1. In the communication system below the probability of transmitting ("B" before) symbols 1 and are:...

A: From the given information, P(B1)=0.7 P(B0)=0.3 P(A1|B1)=0.8 P(A0|B1)=0.2 P(A0|B0)=0.9 P(A1|B0)=0.1 ...

Q: Samples of laboratory glass are in small, light packaging or heavy, large packaging. Suppose that 2%...

A:

Q: Do you find any association between the tempers of brothers and sisters from the toHoving data : Goo...

A:

Q: Determine whether you can use the normal distribution to approximate the binomial distribution. If y...

A: Given,n=100p=0.73

Q: Design a simulation with 1000 replicates that illustrates the CLT for Normal Random Variables when n...

A: Question: Design a simulation with 1000 replicates that illustrates the CLT for Normal Random Variab...

Q: A carnival game is set up so that everyone who plays wins a stuffed animal toy as a prize. When I pl...

A: Given: There are 10 prizes available: 4 white kittens, 3 white unicorns, 2 rainbow kittens, and 1 ra...

Q: You ask 100 persons what color car they like best. The table below lists the observed frequencies fo...

A: Any assumption about the parameter or probability function is known as testing of hypothesis. For th...

Q: When studying the simultaneous responses to two categorical variables, you should construct a: h...

A: When studying the simultaneous responses to two categorical variables, you should construct a: 

Q: 4. Of the 125 million households in the U.S., 86 million of them have a pet. If you randomly survey ...

A:

Q: If you obtained all possible samples and computed the mean from each sample, the mean of sample mean...

A:

Q: 6. Calculate Coefficient of Correlation between the values of X and Y given below: Values of X: Valu...

A:    

Q: Assume that the readings at freezing on a bundle of thermometers are normally distributed with a mea...

A: Given Mean(μ)=0oCstandard deviation(σ)=1.00oC

Q: What would be the fair price to pay for a chance to draw a ball from the box?

A: here given, The organizing committee of a high school reunion placed 150 balls inside a box. 10 of t...

Q: A recent survey reported that 53% of 18- to 29-year-olds in a certain country own tablets. Using the...

A: Since you have posted multiple sub-parts of question , we will solve first three sub-parts of questi...

Q: Which of the following statistics cannot be determined from a box-and whisker plot?   standard devia...

A:

Q: a. What is the expected number of households with annual incomes less than $56,400? Answer in 0 deci...

A: a. The median income is 56400 and one half of the income falls below 56400 and one half of the incom...

Q: uppose a student got an examination score of 90 in Statistics and Probability, where the mean was 75...

A: Given data,For statistics:Score is x=90Mean is μ=75sd    σ =5For English:Score x=92Mean μ=95sd  σ=3W...

Q: The scatter plot shows the number of years of experience, x, and the amount charged per hour, y, for...

A: From the given scatterplot, we can approximate as : y intercept: 7 Let us consider two points  (0 ,7...

Q: Kyle wants to buy packs of gaming cards until he gets a certain card he wants, but he has only enoug...

A: Kyle can buy only one or two packs only.  Probability of buying 2 packs is 30%.

Q: Which of the following statements is FALSE? A Experiment defines an activity with observable results...

A: Given : Statements  A. Experiment defines an activity with observable results that involve the chanc...

Q: How many ways can you arrange the letters from the word TEACHER?  How many ways can you arrange the...

A: NOTE- I HAVE CALCULATED ALL THE PARTS

Q: We want to test the claim that at most 28% of workers indicate that they are satisfied with their jo...

A:

Q: A poll showed that 70.1% of Americans say they believe that some psychics can help solve murder case...

A: Here Given  70.1 OF AMERICAN BELEIVES THAT PSYCHICS CAN HELP IN MURDER CASE  SO Probability of Rando...

Q: Find the area under the Standard Normal Distribution to the right of Z = -2.33.__________ Find the ...

A: Solution-: Let, Z- be the standard normal random variable We find, (a) P(Z>-2.33)=? (b) P(-2.33&l...

Q: Suppose X has a continuous uniform distribution over the interval [-1, 1]. Round your answers to 3 d...

A:

Q: A professor has been teaching an undergraduate course for the last 15 years a has noticed that in th...

A: From the given information,   Completed prior Simultaneously Row Total Pass 1105 60 1165 Fail...

Q: Parliament contains a proportionp of Labour Party members, incapable of changing their opinions abou...

A:

Q: 9. Using Paasche's formula, compute the quantity index for the year 1983 with 1975 as base. Comtiodi...

A:

Q: Factorial Simplify the following. 1. 7! 2. 4 + 4 3. 5! - 4! 4. (4!) (5!) Show your solution.

A: Given1)7!

Q: 2. A random sample of size 4 is taken with replacement from a population with u = 12 and a? = 8

A:

Q: Find the value of kurtosis and describe the peakedness or flatness of the curve. Class Interval Clas...

A: Concentration of all the values around the central value of the given data is known as measures of c...

Q: What would be the fair price to pay for a chance to draw a ball from the box?

A: The organizing committee of a high school reunion placed 150 balls inside a box. Ten of the balls ar...

Q: 1) Сз 2) 6Св 8C5 7C3 4) 6С5 5) C2

A: we know that Cr=n!r!×n-r!n

Q: We want to see if there is a difference in the average delivery time of two local pizza restaurants....

A: Question-1 ) a) The 95% confidence interval is (1.1791,4.0209) . b) Interpretation:- We are 95% conf...

Q: Data were collected to explain the amount of a customer’s purchase (expressed in $’s) based on the a...

A: (d) The objective is to find the standard error of the error term in the regression equation: Standa...

Q: 3. Replacements times of TV sets are reported to follow a normal distribution having a mean of 8.5 y...

A: Given that  X~N(μ= 8.5 , σ= 1.2 ) μ= 8.5 , σ= 1.2 , n= 24 Formula for Z-score Z=(X-μ)/σ

Q: A panel of Judges A and B graded seven debators and independently awarded the following marks : Deba...

A: Given An eight debater was awarded 36 marks by Judge A while Judge B was not present

Q: much will he be spending on average in the long run

A: Kyle wants to buy packs of gaming cards until he gets a certain card he wants, but he has only enoug...

Q: Data were collected to explain the number of wins a major league baseball team has based on the earn...

A: (a) To determine the regression equation: The general form of regression equation is y^=a+bx where a...

Q: Find the margeinul denity go In Problim e. assume the obured valee ofXi x = 3 value 5(1/X3) Find the

A:

Q: Suppose your vehicle is licensed in a state that issues license plates that consist of three digits ...

A: Given: License plate is consist of 3 digits between 0 to 9 and 3 letters between A to Z

Q: Foot temperatures: Foot ulcers are a common problem for people with diabetes. Higher skin temperatur...

A:

Q: 5 points on his st. The mean was 70 standard deviation atively better on thein

A:

Q: Part 2 of 4 Points: 0 of 1 Listed below are pulse rates (beats per minute) from samples of adult mal...

A:

Q: The results of a two-factor, independent-measures, equal n experiment are summarized in the followin...

A: The study is based on a two-factor, independent measures, equal n experiment. Equal n means that the...

Q: The thickness of photoresist applied to wafers in semiconductor manufacturing at a particular locati...

A: