Find the value of ? that will make the above distribution a probability distribution

Q: Illustration 22.6. Following figures gives the mortality rate the life table (g,) at the ages 0, 1, ...

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Q: There are 15 mobile phones in a package box, 9 of which are iphones. If a person takes 5 phones from...

A: Answer - There are 15 mobile phones in a package box, 9 of which are iPhones.                 If a p...

Q: The sample consisted of 55 night students, with a sample mean GPA of 2.32 and a standard deviation o...

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Q: One question from a survey was "How many credit cards do you currently have?" The results of the sur...

A: Given data is3,2,2,3,3,5,1,3,5,1,2,5,3,3,8,3,5,2,2,4,3,2,7,3,2,3,4,5,3,2,2,2,2,2,2,7,3,2,2,3,5,2,10,...

Q: 8. A report on your local TV news station claims that 60% of the city's residents support using limi...

A: We have given that  Sample size n =100 Favorable cases x =56 Sample proportion p^=x/n  =56/100 =0.56

Q: 2. Suppose that in an examination, the cut-off score for passing is 75 for 200 persons. If the mean ...

A: Given that, Suppose that in an examination, the cut-off score for passing is 75 for 200 persons. If ...

Q: The marks obtained by a group of students in a certain subject are assumed to be approximately norma...

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Q: 2. Max is collecting data on the number of minutes some members of the school's football team spend ...

A: Since you posted a question with multiple subparts we will solve first three subparts for you. To ge...

Q: Question 3 Suppose Andrew earns $45,000 EC per month. The average salary for everyone in Andrew's co...

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

Q: . What is the probability that a sunflower plant will have a based diameter of more than 40 mm? b. I...

A: here given, mean = 35 mm standard deviation = 3 mm Y = diameter of sunflower plant  

Q: The amount of orange poured into 7 ounce cups by a filling machine varies from cup to cup, and it ca...

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Q: A box contains six orange balls, four green balls, five yellow balls: - if a ball is drawn at random...

A: 3   1. A box contains 6 orange balls,4 green balls,5 yellow balls  Therefore,  Total number of balls...

Q: 3. Suppose that in a casino, a certain slot machine pays out an average of Php 15, with a standard d...

A: a. You may win much or nothing, as the range is wide. b. EX1= 20-15=5EX = E∑1≤i≤5 Xi = 5EX1= 5×5= 25...

Q: 1- probability of that ball has an even number which can be divided by 3. 2- odds against of obtaini...

A: here 16 ball are there  numbered from 1 to 16   

Q: 1. Consider the model : Y = pYt-1+ Bo + Uz State all assumptions. (a) Derive the OLS estimator for p...

A: Given the model  Yt=ρYt-1+β0+ut

Q: 1- if a ball is drawn at random from a box, determine the probability of that ball is not orange. 2-...

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Q: Situation 2: The running time (in minutes) of sample YouTube videos produced by a particular vlogger...

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Q: Suppose that X,~ N(u, oʻ), i = 1,..., n are independent. State the distribution of each of the follo...

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case yo...

Q: Suppose that the duration of a particular type of criminal trial is known to be normally distributed...

A: Given that; Population mean (u) = 20 days Standard deviation = 6 days  By using standard normal dist...

Q: There are 15 mobile phones in a package box, 9 of which are iphones. If a person takes 5 phones from...

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Q: Which of the following interpretations is correct? a. We are 95% confident that xˉxˉ lies between...

A: We have given that, Sample size n = 1097 Sample mean = 3.16 Sample standard deviation = 1.91 The 95%...

Q: I want to assess whether or not a new drug meant to help with depression symptoms actually helps tho...

A: From the provided information, Sample size (n) = 10 Level of significance (α) = 0.05

Q: write and solve a proportion to estimate the number of seventh graders n who participate in after sc...

A: Here Given  monique collects data rom a random sample of seventh graders in her school and finds tha...

Q: (c) Sarah can't remember which boxplot belongs to which set of balls. State one way in which she cou...

A: (c) Given Information: There are two golf balls, current and new. Distances by 20 balls traveled are...

Q: The Math SAT scores for all students who applied to the School of Engineering are normally distribut...

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Q: One question from a survey was "How many credit cards do you currently have?" The results of the sur...

A: The frequency of an observation is equal to number of times the observation is repeated in the datas...

Q: An investigator wants to design a study to estimate the difference in the proportions of men and wom...

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Q: Find the missing value u of X =  Find the missing probability p =  (fraction form) Compute the mea...

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Q: 4.11 Consider the regression model Y; = Bo + BỊX; + Uj- = 0. Derive a formula for the least squares ...

A: The objective is to derive the formula for the least square estimator of β1 when β0 is 0 and when β0...

Q: An automatic filling machine is used to fill bottles with liquid detergent. A random sample of 18 bo...

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Q: Suppose that the probability that a passenger will miss a flight is 0.0959. Airlines do not like fli...

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Q: High school students across the nation compete in a financial capability challenge each year by taki...

A: Given that - High school students across the nation compete in a financial capability challenge each...

Q: Find E(X) =  Find Var(2X + 100 - 24) =  What is the probability that a child in Sweden can speak t...

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Q: A. Directions: Identify whether the given statement is True or False. Write T if it is true; otherwi...

A: 4. True 5. False 6. False 7. False 8. False 9. False 10. False  

Q: The probability distribution of the random variable X represents the number of hits a baseball playe...

A: Given: X 0 1 2 3 4 5 P(X) 0.1666 0.3292 0.2779 0.1492 0.0366 0.0405      

Q: If from something exam with form choice multiple as many as 50 questions . Every question have 4 alt...

A: Note: In case of multiple questions, as per the guidelines answer to first three parts will be provi...

Q: What is the probability of getting a head when tossing a coin?

A: GivenA coin is tossed

Q: 1. Using visual inspection with the given histogram and Q-Q Plot below, do the data show evidence th...

A: Using Histogram or normal Q-Q plot we check normality.  If Histogram is not in bell shape then we ca...

Q: A toy manufacturer wants to see how long, on average, a new toy captures children's attention. He te...

A: Given that; Sample size (n) = 11 Mean = 28  Sample standard deviation = 6 At 90 % confidence interva...

Q: 1,600 persons in a locality exposed to small- pox, 300 in all were attacked. nated and of these only...

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Q: The classification was on the basis of three sections: Literature, Fiction and Illustrated News. The...

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Q: You wish to test the following claim (HaHa) at a significance level of α=0.01α=0.01.       Ho:μ1=μ2...

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Q: What is the probability of getting a king of hearts from a complete pack of cards?

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

Q: Calculate the test statistic, rounded to 2 decimal places

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Q: The following data was collected on pupil dilation diameters from a new test being considered for re...

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Q: Q3. A box contains six orange balls, four green balls, five yellow balls: 1- if a ball is drawn at r...

A: Let G represents green balls, O represents Orange balls and Y represents yellow balls then. No. Of o...

Q: Among the most exciting aspects of a university professor's life are the departmental meetings where...

A: The objective is to find out the 91% confidence interval for the estimate of mean number of hours i....

Q: In a large sample of customer accounts, a utility company determined that the average number of days...

A: From the provided information, Mean (µ) = 26 Standard deviation (σ) = 7 X~N (26, 7)

Q: Sketch the following in the normal curve then find its corresponding area. Show your complete soluti...

A: 1) P(0<Z<1) = P(Z<1) - P(Z<0) = 0.8413-0.5 = 0.3413

Q: Suppose that in an examination, the cut-off score for passing is 75 for 200 persons. If the mean of ...

A: