3. For a group of 100 candidates the mean and standard deviation of their marks were found to be 60 and 15 respectively. Later on it was found that the scores 45 and 72 were wrongly entered as 40 and 27. Find the corrected mean and standard deviation.

Q: could you explain the steps you took to get there ?

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Q: the true answer is $

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Q: many questions did she get right? 10. Lourdes got 80% on her last math test. There were fifty…

A: Given that Lourdes get 80% in her test. Total number of questions = 50 Number of questions she did…

Q: nd the indicated probabilities using the geometric distribution, Poiss stribution. A newspaper fınds…

A: If the rare events are occurred then we use Poisson distribution.  The given scenario is based on…

Q: Is the answer no or yes for this question?

A: There are 550 students in your graduating class. We need to determine wheather there are at least 3…

Q: Add. -3 + (-7) + 6

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Q: Use the figure below for problems 24-31. 7 501 350° 4. 24 40 130° 43 8. 24) Find mZ1. 50° 25) Find…

A: Solution : We have given a diagram and by using the given diagram we have to find out the measure…

Q: Evaluate. ((-1) -4) +5-(-2)

A: Use the BODMAS rule to evaluate the given expression. −12−43+5⋅−2First solve the terms in the…

Q: How is math connected to people and surroundings?

A: You go to the market and buy something. Now you have to pay for that. So you have to calculate how…

Q: How did you find the answer? Can you elaborate more?

A: Standard form of an LPP : Objective function is the maximize type , constraints are all less than…

Q: The rest of the questions here please, thank you!

A: As per Bartleby guidelines we only give first three questions answers. Please repost for other…

Q: what about questions 4-15?

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Q: Could you explain (b) as well?

A: We have to prove the following proofs:(i)rank(AB)<=min{rank…

Q: What are the answers to this ? #3

A: Denote p as the true proportion of people, who own cats.

Q: can you do part 2 of the question and part 3

A: (ii) The Principal Component Analysis (PCA) is greatly affected by the Spectral Theorem. A…

Q: D) lim f(x)=| 23 E) lim → 8 f(x) = F) lim f(x)= z 2

A: D) we know that, limx→3f(x)=limx→3+f(x)=limx→3-f(x)But limx→3+f(x)=2limx→3-f(x)=-1Since…

Q: How is math connected to Veterinary Sciences? Give credible sources and examples.

A: Given, Relation of maths with veterinary science To give sources and examples related to the…

Q: What other ways can I show the result? Thanks.

A: Enter the data in the R studio in the following ways for data frame: Test= c(1,2,3,4,5,6,7,8,9)…

Q: how did you get 2x in part c?

A: Joint probability density is used to understand the probability value of several continous random…

Q: What is the answer of this question?

A: we have given a circle of radius 12m .  We have to find A

Q: What are the answers to this ? #2

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Q: What are the correct answers ?

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.