Question
The profits of a City Center in Thousand R.0 per day has the following probability distribution:
Profits in Thousand R.O 10
12
14
18
20
22
Probability
12 a R
18 a R
24 a R
a R
28 a R
17 a R
а.
Find the unknown a.
R=31
b.
Find the expected value of the daily profits in R.O.
C.
Find E(Rx-5).
Expand
Transcribed Image Text

The profits of a City Center in Thousand R.0 per day has the following probability distribution: Profits in Thousand R.O 10 12 14 18 20 22 Probability 12 a R 18 a R 24 a R a R 28 a R 17 a R а. Find the unknown a. R=31 b. Find the expected value of the daily profits in R.O. C. Find E(Rx-5).

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Math
Statistics

Other

Related Statistics Q&A

Find answers to questions asked by students like you.

Q: You wish to test the following claim (HaHa) at a significance level of α=0.10      Ho:μ=85.5H      H...

A: x (X-xbar)^2 55 275.2281 52 383.7681 77.1 30.3601 68.5 9.5481 74.2 6.8121 84.1 156.5001 ...

Q: The owner of a computer repair shop has determined that their daily revenue has mean $7200 and stand...

A: Let X be the daily revenue X has mean μ = $7200 and standard deviation σ = $1200 Sample size n = 30 ...

Q: You are conducting a study to see if the accuracy rate for fingerprint identification is significant...

A: Click to see the answer

Q: Hi,  Can you please assist with the calculations and explainations with the question in the picture ...

A: Click to see the answer

Q: What is an assumption made about the value of a population parameter called? conclusion O probabilit...

A: Population parameter is given.

Q: I'm having a hard time understanding how to solve this question. I think the distribution is suppose...

A: Here T- distribution is applicable as Population standard dev is unknown

Q: Is the difference between the mean annual salaries of statisticians in Region 1 and Region 2 more th...

A: From the provided information,

Q: Two crossing, non-parallel lines in a graph pertaining to separate factors (i.e., A & B) in a tw...

A: Note: Hey, since multiple questions are posted, we will answer first question for you. If you want a...

Q: Number 25

A: 25 Let X be regular and Y be Premium. Excel Procedure: Enter X and Y in Excel>Data>Data Analys...

Q: A medical journal published new medical research about diastolic blood pressure. Let the mean diasto...

A: Click to see the answer

Q: 2. Hashir is going to graduate from an industrial engineering department in a university by the end ...

A: given P(A)= probability of getting an offer from company A= 0.8 P(B)= probability of getting an offe...

Q: In a recent​ year, the scores for the reading portion of a test were normally​ distributed, with a m...

A: Given, The scores for the reading portion of a test were normally​ distributed, with a mean of 21.4 ...

Q: Consider the following data coming from a study of three different groups. For this question, assume...

A: Given information Group 1 Group 2 Group 3 1 5 6 3 3 4 3 4 6 1 ...

Q: In a large section of a statistics​ class, the points for the final exam are normally​ distributed, ...

A: Given, The points of final exam follows normal distribution with mean 73 and standard deviation 8. X...

Q: A well-known brokerage firm executive claimed that 50% of investors are currently confident of meeti...

A: Click to see the answer

Q: Given the sample mean = 23.625, sample standard deviation = 4.8921, and N = 40 for the low income gr...

A: From the provided information, Sample size (n) = 40 Sample mean (x̅) = 23.625 Sample standard deviat...

Q: Find the indicated probability using the standard normal distribution. ​P(0 < z < 0.535​) P (...

A: Normal distribution is also known as the Gaussian distribution. It is very useful in statistics. 

Q: The following are the P/E ratios (price of stock divided by projected earnings per share) for 17 ban...

A: The following are the P/E ratios (price of stock divided by projected earnings per share) for 17 ban...

Q: Find the area of the indicated region under the standard normal curve. Click here to view page 1 of ...

A: From the given information, Consider, the given diagram is as given below:   Thus,    

Q: A researcher must estimate the mean temperature (in degrees Fahrenheit) with the following sample te...

A: Obtain the 80% confidence interval for the population mean temperature μ.   The 80% confidence inter...

Q: Ten adults with symptoms of diabetes were randomly selected and a random blood glucose test was admi...

A: Note: Thank you for the question. Since multiple subparts are posted, according to our policy, we ar...

Q: Suppose that the lifetimes of TV tubes are normally distributed with a standard deviation of 1.2 yea...

A: Solution: Let X be the lifetime of TV tubes. From the given information, X follows normal distributi...

Q: An automobile assembly line operation has a scheduled mean completion time, μ, of 12.8 minutes. The ...

A: Click to see the answer

Q: The mayor is interested in finding a 90% confidence interval for the mean number of pounds of trash ...

A: From the given information. Consider,  Sample size (n) =231Sample mean (x) =33.1Standard deviation (...

Q: Find the slope m for the least-squares regression line.  x y 7 15 10 16 15 25 18 32

A:  

Q: In a large section of a statistics​ class, the points for the final exam are normally​ distributed, ...

A: Given, final exam score follows normal distribution mean 73 and standard deviation 8. Grades are ass...

Q: Please show work thank you   The p-value of a test of H0: μ1≤μ2  versus Ha: μ1>μ2  is 0.04711.  D...

A: Since, the p-value depends on nature of alternate hypothesis, so we will calculate p-value according...

Q: 4. 15 healthy adult subjects were asked to walk on a treadmill while connected to monitors. One of t...

A: (a) State the hypotheses. There is no evidence to conclude that mean effect of the first disturbanc...

Q: Retention Test Scores A sample of non-English majors at a selected college was used in a study to se...

A: Here, Two sample T- test is applicable

Q: Let us modify Computer Exercise C4 in Chapter 8 by using voting outcomes in 1990 for incumbentswho w...

A: i) From the given regression equation, the coefficient of voteA88 is 0.067. Interpretation: If the v...

Q: Paper8

A: Given that, A very large number is added to a data set of 99 much smaller numbers to make a data set...

Q: Number 16

A: Step-by-step procedure to find the sample correlation coefficient using Excel: In Excel sheet, ente...

Q: Minnesota had the highest turnout rate of any state for the 2016 presidential election. Political an...

A: (a) State the hypotheses. That is, there is no evidence to conclude that registered voters in rural...

Q: I am having trouble solving this problem.  Can you please provide me with some help.  Thank you.  I ...

A: Given, p^1=0.56p^2=0.48n1=366n2=466α=0.05 The hypothesis to be tested is given as- H0:p^1=p^2 There ...

Q: Number 20

A: Correlation Coefficient :  It is used to measure how strong a relationship is between two variables....

Q: Number 24

A: Given data provides different temperatures at number of cricket chirps in 1 minute .  The following ...

Q: 1. Which of the following is consistent with the alternative hypothesis for the interaction of facto...

A: option d) is correct. The mean differences between treatment conditions are not what would be pr...

Q: If n = 240 and p = 0.9, construct a 90% confidence interval about the population proportion. Round y...

A: Click to see the answer

Q: The weights of a calf taken at weekly intervals are given below: Age(Weeks)     1        2      3   ...

A: Given observations and calculations Age(Weeks(x)) Weight(y) Change in growth rate 1 54 3.4 2 ...

Q: The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on ave...

A: Given information- Sample size, n = 832 Significance level, α = 0.20 Sample mean, x-bar = 47.3 Sampl...

Q: The accompanying table lists the ages of acting award winners matched by the years in which the awar...

A: The scatter plot is obtained using EXCEL. The software procedure is given below: Enter the data. Se...

Q: 3. A study examined the effect of protein consumption on weight gain in rats. Investigators obtained...

A: From the provided information, The hypotheses can be constructed as: H0: µ1 = µ2 H1: µ1 ≠ µ2 The lev...

Q: According to a reputable magazine, 35% of people in a certain large country have sleepwalked at leas...

A: According to a reputable magazine. 35% of people in a certain large country have sleepwalked at leas...

Q: I dont knowhow to do. this

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If y...

Q: What is the answer?

A: a. Given that, n=700; p^=0.20 Confidence level is 90% Critical value: The two tailed z critical valu...

Q: Statistics Question

A: The objective is to test whether the mean difference has higher potential Let μd be the mean differe...

Q: P(z < -2.61)

A: Z score = -2.61 Left tailed test

Q: The p-value is 0.0052. At the 5% level of significance, the null hypothesis O should be revised. sho...

A: It is given that the p-value is 0.0052.