Question 1 A bank offers three types of welcoming gifts to VISA card applicants. Gift A: $400 supermarket coupon Gift B: a 2-persons tea set voucher Gift C: 8 sets of movie tickets Based on the table below, construct a 95% confidence interval estimate of the population proportion of applicants choose $400 supermarket coupon. The choice made by a random sample of 40 applicants is as follow: В A В C A A C A B A A В A C В B A A В A В A В A C A A A A A В A A B Question 2 In a city, according to a 1990 demographic report based on the census result, the average daily spending on food per person is $75. In 2020, a random sample of 28 persons in the same city is selected and the daily spending ($) on food for each interviewee is recorded as follow: 55.0 59.5 62.5 65.5 68.5 69.0 70.0 70.0 82.0 82.5 83.5 85.0 86.0 86.5 86.5 87.0 87.0 87.0 89.0 92.5 93.0 94.5 94.5 96.0 98.0 102.5 108.5 110.5 (a) Find the point estimate for the population mean daily spending on food per person in year 2020. (b) It is assumed that the spending is normally distributed. Construct a 90% confidence interval estimate for the population mean daily spending on food per person in year 2020. (c) Is there sufficient evidence to conclude that the population mean daily spending on food per person in 2020 is higher than 1990? Test at 1% level of significance. (State clearly the null hypothesis, alternatively hypothesis, rejection region, test statistics and conclusion.) ABACA

Q: For each rider, write an equation that can be used to calculate the distance (d) traveled over a…

A:

Q: This is a little bit difficult to read can you rewrite this please to better understand?

A:

Q: Sorry I do not understand the typing , could you write it out on paper?

A: Note:  As per your requirement, i answered here in handwritten on papar.

Q: Could you please write it on paper? Bartleby seems having a problem that it can't display the answer…

A: Given problem:- tan-1cot19π14

Q: 2α x²x Axs Y

A: The equation is defined as the expression or mathematical statement of a combination of two or more…

Q: help me with b and c too please

A: The given equatons are b) c)

Q: Two boats leave a port at the same time. One boat sails 2.2 km/h at 33o east of north. The second…

A:

Q: 2. y=x,Y=0,X=2, X=3

A:

Q: A -1 =

A: We have to find the inverse of given matrix.

Q: locate a Math formula which is used in real-life. Your typed formula. State what each variable in…

A: Now a days, Body Mass Index (BMI) Formula most widely used in real life. Explanation:- The Body Mass…

Q: Please explain step 3 more clearly.  Show how you calculated each row of numbers. Step by step.

A: Given False Positive =0True Positive =46False Negative =1True negative =17 The sensitivity of the…

Q: 5. Show whether whether the set of vectors in R*is linearly independent.Justify your answer. (0,0,…

A:

Q: Hey I cant read what you sent can you please type the answer or write it better

A: We have to find the derivative of v.

Q: Find (i) the characteristic equation and (ii) the eigenvalues and corresponding - 3 5 eigenvectors…

A: Since you have posted multiple questions, we answered the first question for you. If you want any…

Q: Hi I cannot have the using excel at all. Please redo without excel and all the work shown. Thanks so…

A: Given data :  In 2005 the percentage of airline ticket purchasers who actually arrive to take their…

Q: I can't read your handwriting. What is the number with a line through it

A:

Q: i have to explain each answer. can you help me understand each answer?

A:

Q: Question 7 Completely simplify y=-2x³(x+4)2. You must show all of your work to receive credit.…

A: Given,

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.