What is P(t > 1.058) when n=26? What is P(t > 1.103) when n=26?

Q: The Great Recession of 2007–2009 is largely attributed to the real estate crisis beginning in 2006,…

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Q: t is desired to know the true proportion of divers who get "the bends" (sickness from nitrogen in…

A: Given data,Margin of error (E)=0.04Let proportion be p=0.50z-value at 92% confidence is…

Q: What will be the estimate for 9.1 if we use L(x)?

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Q: Im found with the help of a sample survey of a city, (size of sample 900) that 3/4 th of the…

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Q: A business wants to lower its price level to increase sales of its goods. However, for the price…

A: From the provided information, Sample size (n) = 60 Sample proportion (p̂) = 0.13 Level of…

Q: a) Find the interval of weekly food expenditures that will include 99.7% of the families of four…

A: Let , X→N(μ=420 , σ=80) Our aim is to find the following :  a) The interval of weekly food…

Q: A recent study indicated that 20% of 133 women over age 55 in the study were widows.  a. How large a…

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Q: For what fraction of the simulated results is the difference in the precipitation rates for weekdays…

A: From the output the observed difference is -0.065.

Q: f 4/9 of a 3rd-grade class are boys, what is the boy co girl ratio in this class?

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Q: Tf the value of coefficient of correlation between two series is +09 and its probable error is…

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Q: It is estimated that a worker in a shop that makes picture frames can paint y frames t hours after…

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Q: Since January 1, 1960, the population of Slim Chance has been described by the formula P =…

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Q: OIncial test scores res Ited in t100* .03. (a) Given that the difference score was computed as D =…

A: For the given information in the question : t100 = -2.32 Also : p < 0.5 The p-value is .022373…

Q: The area to the right of z-score of 0 is

A: We know that the Z is standard normal variate with mean 0 and variance 1  i.e. Z~N(0,1) Since the…

Q: Q3. (a) Mention the engineering application of interpolation and integration. (b) The

A: To Find the engineering applications of interpolation and integration

Q: What is the t-value associated with 11 degrees of freedom and 2.5% in the tail? (please round your…

A: Solution

Q: For what fraction of the simulated results is the difference in the precipitation rates for weekdays…

A: From the output the observed difference is -0.065.

Q: At the beginning of spring, Anthony planted a small sunflower in his backyard. When it was first…

A: In the starting the length of sunflower = 5 inch Growth rate = 1.5 inch/week After 9 week total…

Q: What is the t- value associated with 19° of freedom and 5% in a tail?

A: The test is one tailed.

Q: (d) Between which two successive years did DVD player sales increase most quickly? to Between which…

A: Consider the table which shows the DVD players sold in the years 2003-2013. Find between which two…

Q: At midnight, with the temperature inside your house at 21° C and the temperature outside at -6° C,…

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Q: A magazine provided results from a poll of 1000 adults who were asked to identify their favorite…

A: From the provided information, Among 1000 respondents 13% choose chocolate pie and the margin of…

Q: On a day when the temperature is 30° Celsius, a cold drink is taken from a refrigerator whose…

A: The equation corresponding to Newton's law of cooling is given by T(t) = Ts+( T0-TS) e-kt where To…

Q: A company purchased factory equipment on June 1, 2021, for $155000. It is estimated that the…

A: To determine the depreciation of the equipment on December 31, 2021.

Q: b. Find an estimate of p2, the true proportion of less-experienced bidders who fall prey to the P2…

A: The number of less experienced bidders (n2) is 138.

Q: Find the P-value interval for the test value.                      χ 2 = 19.222  , n = 11,…

A: The type of test is left tailed test The value of sample size is, n = 11 The value of chi square…

Q: What is the Intermediate Value Property?

A: Definition of Intermediate value property.

Q: The claim is that the proportion of adults who smoked a cigarette in the past week is less than…

A: It is given that n is 1,817 and x is 400.

Q: What is the average rate of change of f(x) from a1 = 3.8 to x2 7.2? Please write your answer rounded…

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Q: c) What happens to the pH level of a mouth as the time since eating the sugary food increases?

A: answer is in step 2

Q: Find the mean value if y 1+x² between x-0 and x-1

A: We have o find the mean value of the function :  y=11+x2 between x=0 ,x=1

Q: What do you have to set x equal to get the forward difference?

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Q: What is the average rate of change of f (x) from x1 = -4 to x2 = -3? Please write your answer…

A: We have to find the average rate of change of f(x).

Q: Find the standard error of estimate, se, given that 00 F4 -

A: Here given regression equation  of sales

Q: What is t-value for Degree of freedom=23 and α= 0.01?

A: What is t-value for Degree of freedom=23 and α= 0.01?

Q: What is the t-value associated with 19 degrees of freedom and 5% in the tail? (please round your…

A: t distribution is a bell shaped curve which is symmetric about the mean value 0. The standard…

Q: A factory produces bicycles at a rate of 95 + 432t² – 12t bicycles per week (t in weeks). How many…

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Q: Suppose that a person learns y items in x hours, as given by y = 20/x,0sxs9. Find the rate of…

A: Given y=20x       0≤x≤9The rate of learning in x hours is definedby derivative of y wrt…

Q: On a typical day, a city consumes water at the rate of r(t) = 100 + 72t − 3t2 (in thousands of…

A: The daily water consumption

Q: Suppose X ~ N(18, 4). What value of x has a z-score of -2.52? Round to 2 decimal places..

A: Given :- X ~ N(18, 4).  Than we have to find the value of x has a z-score of -2.52.

Q: Q1/ By two method, find the average value of f(x) = 5 - on [-3,4] 2

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Q: A factory produces bicycles at a rate of 95 + 972t² 18t bicycles per week (t in weeks). How many…

A: Given: The rate of production of bicycles is: dNdt=95+972t2-18t And t1=2 & t2=3 Now solve the…

Q: the positive critical t-value that corresponds to 90% confidence and n = 15. Round answer to the…

A: Given data,n=15df=n-1=14α=0.10t-value=?

Q: 4. The Profit P (in thousands of $) for a company in terms of the amount, s, spent on advertising…

A: Given model is, P=-0.1s3+6s2+400

Q: 17. Trepy Bros, has been doing business for a very long time. The board has assessed the gross…

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Q: Suppose a survey shows that a mayoral candidate is gaining votes at a rate of 2100t + 1500 votes per…

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Q: then began to grow at a rate

A: Algebra: At the beginning of spring, Taylor planted a small sunflower in her backyard. When it was…

Q: The student needs a minimum score of 72.25 fourth test to ensure a grade of at least a C. x on the

A: We have given that the first three test scores of students 67.75, 66 and 72

Q: What is the t-value associated with 27 degrees of freedom and 0.5% in the tail?

A: Given that  Degrees of freedom (df) = 27 Level of significance (α)=0.5% = 0.005   We find t value…

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.