1) A random sample of 45 restaurants gave a mean profit per employee of €350. The population standard deviation is known and its value is €55. Find the 95% confidence interval for the mean profit per employee for all restaurants.

Q: Question attached

A: Given information- Sample proportion, p = 0.25 We know that, sample is best estimator of population…

Q: Do dominant and subordinate individuals differ in the means of giggle spectral CV?

A: For Group : Dominant Individual Standard Deviation, s: 0.05410 Count, N: 9 Sum, Σx: 2.755…

Q: 60. f -1 | f' f" -1

A: According to the sign chart, we have

Q: A gambler complained about the dice. They seemed to be loaded! The dice were taken off the table and…

A: Let us first test whether “the data indicate that the die is unbalanced”, using a Chi-square test of…

Q: what is the answer for the first question

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Q: Question 12

A: (12)(a) Given, f(x)=2x-6 such that f:ℝ→ℝThe function f(x) is a linear function. The f(x) is defined…

Q: Question 12

A: We are given the following shapes. For (a), We need to find the volume of the box as a function of…

Q: Question 20

A: Given Data :  General form of the sequence an=2(an-1)+1, a1=4 To Find : The first four terms of the…

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Q: Question 9

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Q: Question 51

A: SOLUTION-

Q: The price of gas is normally distributed with mean $3.48 and standard deviation $0.90. What is the…

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Q: 27. 3xv2 v' = 3x4 + v3

A: Given    3xy2y' = 3x4+y3  .......(1)(1) Can be written asy'-y3x=x3y-2y'+P(x)y = q(x)yn (Bernoulli…

Q: Question 54

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Q: Question attached

A: Hello. Since your question has multiple parts, we will solve the integration by first six part for…

Q: 54. -2 0.

A: (54) One of the possible graph for the given sign chart of f' is,

Q: Question 11

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Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.