The following frequency distribution shows the various levels of demand for the Macbook Air over a particular 50 business days.  Determine the average number of laptops sold per day.                   Number of laptops               Frequency                         0                                            14                         1                                              8                         2                                              8                         3                                             12                         4                                              5                         5                                              3

Q: The following table gives indices of industrial production of registered Calculate the value of the ...

A: The correlation coefficient is used to measure the linear association between two variables. The cor...

Q: A type I error could be committed even if the null hypothesis is false  True  False

A: The type 1 error means that the rejecting the null hypothesis when it is true.  

Q: A. Suppose BS Applied Math Program has 10 students and the height (in cm) are as follows: 170, 165, ...

A: Given that; A data set is given firstly arranged this data set in ascending order.  149, 150, 152, 1...

Q: "The weights of 1,000 children, in average, is 58kg with standard deviation of 18kg. Suppose the wei...

A: Solution-: Given: μ=58,σ=18,n=1000 We find, how many children weight between 48kg and 57kg?  

Q: Suppose that college faculty with the rank of professor at public 2-year institutions earn an averag...

A: The z-score for the mean that is inferred through a defined sample size of "n" is defined as: z=x¯-μ...

Q: What is the t test P Value for this Data

A: Given  -  There are 20 observations in Female and 10 observations in Male  n1 = 20, n2=10 Mean of Fe...

Q: A die is rolled twice. What is the probability of showing a 3 on the first roll and an even number o...

A: if we roll a die twice than the possible outcomes are1,11,21,31,41,51,62,12,2(2,3)2,42,52,63,13,23,3...

Q: What is the probability that at most 4 out of 5 selected offspring will have two recessive genes

A: here p=0.25 n=5 here use binomial distribution each trial independent finite number of trial there ...

Q: 11. In a partially destroyed laboratory record of an analysis of correlation data, the following res...

A:  

Q: An individual has 30% probability of making a half-court shot independent of other shots taken. Thi...

A: Given: n =    4 p =   0.3  

Q: llustration 12.24. The sales of a company for the last eight years are given as: Year: 1973 1974 197...

A:

Q: SmartB” owns a phone battery assembly line which provide phone battery to a mobile company. It is kn...

A:

Q: Find the probability that when a couple has six children, at least one of them is a girl. (Assume th...

A: Given data,Couple has 6 childrenn=6The probability of getting a boy is 0.5 and getting a girl is 0.5...

Q: 1Q scores are measured from 30 children who participated in Head Start and from 32 otherwise compara...

A: Given that For Head Start group, sample size n1 = 30, sample mean m1 = 103 For No Head Start group, ...

Q: construct the 95% and 99% confidence intervals for the population proportion p using the indicated s...

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a...

Q: Why is it important to maximize the degree to which samples and data used to train or build algorith...

A: Training and testing an algorithm are a part of machine learning.

Q: The number of social interactions of ten minutes or longer over a one-week period for a group of col...

A: We have given that data.  Mean = sum of all observations/total number of observations  Median = midd...

Q: 9. A manufacturing company has designed a new test of mechanical aptitude for its machinists. Scores...

A: Given  Mean=μ=400, standard deviations=σ=60  

Q: Make a tree diagram to find the number of choices that are possible. Then, check your answer using t...

A:

Q: Increasing the sample size n would increase the acceptance region, and thus a decrease in the critic...

A: Solution-: Increasing the sample size n would increase the acceptance region, and thus a decrease in...

Q: 12. Spacely Sprockets manufactures 24% of their sprockets on Neptune, and the remainder on Pluto. Of...

A:

Q: c. Let X be a continuous random variable with the cumulative distribution function: 0- if x < 0 if 0...

A:

Q: 3. The amount of CPU time (measured in hours) an trading firm uses per week is a random variable H w...

A: a)GivenThe probability distribution for the amount of time (in hours)f(h)=364h2(4-h)0≤h≤40otherwise ...

Q: B increases as µ approaches from µo, when Ho is false True or False

A:   Given problem Given that   B ( β )  increases as μ approaches from μ0, when Ho is false . Ans) Fal...

Q: hypothesis-testing procedures rely on using the information from the population of interest true or...

A: We will   tell you, above statement is true or false  

Q: IQ scores are measured from 30 children who participated in Head Start and from 32 otherwise compara...

A: It is given that For head start group, sample size n1 = 30, sample mean m1 = 103 For no head start g...

Q: A jar contains 10 red marbles numbered 1 to 10 and 12 blue marbles numbered 1 to 12. A marble is dra...

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

Q: Suppose that the speed at which cars go on the freeway is normally distributed with mean 80 mph and ...

A:

Q: 13.6. The price quotations of four different com- moaities for 1951 and 1965 are given below. Calcul...

A:

Q: A recent Gallup poll asked a random sample of 1010 Americans to respond to the statement, "If the U....

A: Given,95% confidence interval for the proportion who would respond "Strongly agree" or "Agree" is 0....

Q: Fungicides are used to protect seeds in wet environments. To test the effectiveness of a fungicide, ...

A:

Q: You draw two cards from a well-shuffled deck of 52 cards, forming a 2-card hand. 1. What is the prob...

A: There are 52 card in the deck in which they divided into two color i.e red(26) and black (26). These...

Q: ean and standard deviation are given below. Find the required probability and determine whether the ...

A: We have given that.   X~N( μ , ?^2 )   μ=217 , ?=5.6   , n= 65   Z-score =( x - μ )/?

Q: he superintendent of a school system is trying to choose between 4 speaker ay for teachers. He sends...

A: Given number of votes according to choices. We have to choose winner in different conditions accordi...

Q: On their website, a property management company states that the mean monthly rent for apartments on ...

A:

Q: From the data given below find : (a) the two regression equations. (b) the coefficient of correlatio...

A:  Regression equation Y on X is given by, ŷ = bx+a Where  b= {n*∑xy-(∑x)*(∑y)}/{(n*∑x^2-(∑x)^2} And  ...

Q: In a random sample of 1,001 adults, suppose I find that the Body Mass Index (BMI) is normally distri...

A: From the provided information, Mean (µ) = 27.7643 Standard deviation (σ) = 5.68310 X~N (27.7643, 5.6...

Q: Let x be a random variable that represents the percentage of successful free throws a professional b...

A:

Q: A certain production process produces items that are 10% defective. Each item is inspected before su...

A:

Q: Follow -up Questions: 1. What will happen to the sample size if the percentage error becomes lower e...

A: What will happen to the sample size if the percentage error becomes lower e.g. 5% instead of 10%?

Q: 1. Following data consisting missing observation (X) Commodities Po P1 А 1 10 2 В 1 5 where p and q ...

A:

Q: Determine the probability of drawing either a two or a ten? Write your answer as a reduced fraction....

A: here total cards in standard deck = 52 there are total 4 suit each suit contains 13 cards  

Q: A study is undertaken to test the research hypothesis that a student’s knowledge of Thunder Bay impr...

A: The objective is to formulate the appropriate hypothesis, considering the specified population param...

Q: When a production process is operating correctly, the number of units produced per hour a normal dis...

A: a) mean of the sample mean is always equal to population mean E(x¯) = 103.

Q: 1llustration 12.13. (i) Given the trend equation Y=35+5X+3X2 w re 1968 =0 a nd X unit=1 year. Change...

A:

Q: Problem 3: From an experiment in an industrial process the following data have been obtained (see ta...

A: Given the experimental data as t ut yt 1 -1 0 2 -1 -0.4 3 -1 -0.69 4 -1 -1 5 1 -1.27 ...

Q: A car hire firm has two cars, which it hires out day by day. The number.of demands for a car on each...

A:

Q: Although not as popular as Facebook (Meta), Instagram has 500 million daily users and is also popula...

A: Given that, Although not as popular as Facebook (Meta), Instagram has 500 million daily users and is...

Q: X~Btald, NOTE Notation Beta(a, B) Parameters a > 0 shape (real) B>0 shape (real) x E [0, 1]or x E (0...

A: Given that; X follows a beta distribution By using beta distribution find the mean and variance of b...

Q: He can wear ?  different outfits.

A: Juan owns 1 pairs of pants, 5 shirts, 4 ties, and 1 jackets.