The population of the College of Business Administration has increased from 1,260 to 1,440 students.  How many additional faculty members must be hired if 35 faculty members are just enough for the previous population?

Q: Define the density function of X by f(x)=2 for x 1,2,3... and f(x)=0 otherwise. Find the moment…

A: Var(X)=E(X2)-(E(X))2

Q: In a survey of 700 random households in a particular city in NCR, adults have been 2) asked if they…

A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will…

Q: what is theprobability that itwill operate measure rain water?

A: here given , The rain gauge in different location R1, R2, R3, R4and R5will operate 0.30, 0.45, 0.25,…

Q: 27 A box contains 5 blue marbles, 3 green marbles, and 7 red marbles. How many marbles must be…

A: We have given the following  5 blue marbles,  3 green marbles.  7 red marbles Total = 15 marbles.

Q: 1. Determine the mode graphically from the following series: Week wages in Rupees Number of workers…

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Q: A foreman for an injection-molding firm admits that on 52% of his shifts, he forgets to shut off the…

A: Let us define some events A : the forman forget to shut off the machine. B : the forman does not…

Q: Carry out a chi-square test for goodness of fit for the studies below (use the 0.05 level). (a)…

A: b) Null Hypothesis: H0: The sample data fits for the study. Alternative Hypothesis: H1: The sample…

Q: Construct a Venn Diagram showing three overlapping events A, B and C. Shade the region corresponding…

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

Q: Of nine executives in a business firm, three are married, four have never married, and two are…

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Q: Suppose two dice are rolled together. What is the probability that the two numbers showing up are…

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Q: 4. An electrical system consists of four components as illustrated. What is the probability that the…

A: Here Given 4 Components A,B,C,D  And Its working Probablity  P(A)=0.9 P(B)=0.7 P(C)=0.8 P(D)=0.95

Q: Roll 3 dice 40 times and record how many 2’s you get each time. Make a tally and work out the…

A: The frequency of each class is obtained by counting the number of times each data point appeared in…

Q: 2. Calculate the two line of regression for the following data. X: 1 3 4 5 Y. 3 9 12 15 S Scanned…

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Q: a. What is the probability that a person chosen at random purchases Brand X and is under 30 years…

A: here use given table    here use basic probability and bayed rule  probability  = #favorable…

Q: 4. r=-0.2969 and n= 10 Find Σα

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Q: 1. Obtain the regression of Y on X a is 50. 'from the following table and estimate the blood…

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Q: Determine whether the events are independent or dependent then find the probability. Upload a photo…

A: A number of events are said to be independent if the probability of occurrence of any one of them is…

Q: Find and shade the area to the right of each negative z value. Given Curve 1. z = -2.27 2. z = -1.75

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Q: Consider the two-digit positive integers 10, 11, 12, ., 99. What is the probability that a randomly…

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Q: (page 67) Compute for the sampling distribution for 1.2 two tosses of a fair die two tosses for…

A: Given one column of a sampling distribution of two tosses of a fair die.  We have to complete the…

Q: a. In how many ways can the letters of the word 'CORPORATION' be arranged so that the vowels always…

A: here use counting principle

Q: ACTIVITY 2: Rowena wants to test a randomly selected 20 students for her study. Identify the t-value…

A: Note: According to Bartleby guidelines expert solve only one question and maximum 3 subpart of the…

Q: Explain the method of simple averages of computing the indices off seasonal variations.

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Q: What is the probability of picking a black card or a jack if prior to selection all the black cards…

A: The objective is to find the probability of picking a black card or a jack. If prior to selection…

Q: 1. Obtain the regression of Y on Xa' ´from the following table and estimate the blood pressure when…

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Q: 8. Heights of fathers and sons are given in inches. Height of father.r: Height of son: 65 66 67 68…

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Q: E. Direction: Consider the problem below. Draw a Venn diagram. Determine whether the event is…

A: Since we know that two events are said to be mutually exclusive if their interactions is zero For…

Q: Consider the following binomial probability expression below. The number of trials, the number of…

A: Given that

Q: A digital scale is used that provid rest gram. What is the sample space for this experi: A denote…

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

Q: 22. Find the 15th term of the sequence: 120, 140, 160, 180, . {Note: Type the VALUE only. For…

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Q: coin is tossed three times . Find the probability of getting either all heads or getting heads…

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Q: 15 A menu has three choices for salad, six main dishes, and four desserts. How many different meals…

A: Given information- We have given that a menu has 3 choices for salad, 6 main dishes, and 4 desserts.…

Q: A. Find the length of the following confidence interval. 1. 0.242 < p< 0.653 2. 0.345 < p< 0.570 3.…

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Q: In a county male height is normally distributed with a mean of 177 cm and a standard deviation of 6…

A:

Q: ESTIMATE THE PRO BABILITY THAT THE NEXT STUDENT WHO COMES TO THI S TUTORIN LAB NEE DS HELP WITH…

A: Here use basic probability  Here given total students = 1380 No of students need help = 526 No of…

Q: An economist would like to estimate the mean amount of money that a family spends to within $45. If…

A:

Q: From a well-shuffled standard deck of 52 cards, one card is to be selected. What is the probability…

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

Q: An economist would like to estimate the mean amount of money that a family spends to within $36. If…

A: Given that  Population standard deviation =200 Margin of error =E =36 91% confidence.

Q: 18. Tó čélébraté the end of both pandemic, the exhausted computer science major Joe Palooka wants to…

A: Given that  P(O)=0.5 , P(N)=0.3 , P(O and N)=0.2 Find P(N | O)

Q: What is the probability that a buyer who purchases a box of bullets and firearm gets a submachine…

A: Here Given  Probability of Personnel purchase Pistol=P(P)=0.85 Probability of Personnel purchase…

Q: A certain university claims the probability that a student graduates in 4 years from the university…

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Q: What is the probability of picking a black card or a jack if prior to selection all the black cards…

A: here given , prior to selection all the black cards from 2 to 7 are all replaces with jack of hearts…

Q: plays 22 games this season. What is the probability that he will score in exactly 10 games? O…

A:

Q: Using Excel, conduct a t-test (at the alpha = 0.10 significance level) on whether the mean of X2 is…

A:

Q: Researchers were interested in play types. Children in 3 age groups were compared. The researchers…

A: From the given information, the researcher is interested in play types of children in three age…

Q: At an airline company, according to the records, the mean age of pilots is 36.2 years, and the…

A:

Q: Design What is the power of the planned studies to the right using a chi-square test for…

A: Given that

Q: Determine the size of the sample space that corresponds to the experiment of tossing a coin the…

A:

Q: Example 31. Plot Less than Ogive and More than Ogive for the following data: Cost of production 4- 6…

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Q: 6. A sample of 5 fathers and their eldest sons gave the following data about their weight in Kgs.…

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