00 w per user from Bome. 11e users yielded a sample mean of 42.1 visits with a standard deviation of 5.3. At the 0.01 level of significance, can it be concluded that this differs from the national average? Source: 20. Aver Source: New York Times Almanac. repor partic sizes 15. Cell Phone Bills The average monthly cell phone bill was reported to be $50.07 by the U.S. Wireless Industry. Random sampling of a large cell phone company found the following monthly cell phone charges (in dollars): 6 55.83 49.88 62.98 70.42 60.47 52.45 49.20 50.02 At o 58.60 51.29 the r At the 0.05 level of significance, can it be concluded that the average phone bill has increased? Sourc Source: World Almanac. 21. Doc aver 16. Teaching Assistants' Stipends A random sample of stipends of teaching assistants in economics is listed. Is there sufficient evidence at the a 0.05 level to con- clude that the average stipend differs from $15,000? The stipends listed (in dollars) are for the academic year. A re thes 14,000 18,000 12.000

Q: What is the correct answer ? I have to show work.

A: Given Information: Sample size (n) = 22  Mean (u) = 12 Standard deviation (s) = 5.4

Q: PQhas coordinates P(3,-6) and Q(3, 9). Find the coordinates of P'Q' after a dilation with a scale…

A: The dilation of a given point P(x,y) by factor K, centered at C(a,b), moves the point to P'(x',y')…

Q: How did you get those answers?

A: Since here we have two variables p and q, they can take values True (T) and False (F) each.  So, the…

Q: I need help checking my answers on some study problems. Thanks for your help.

A: We have been given two rational functions and we need to find some composite functions and their…

Q: Thank you.

A:

Q: Explain the term dissecting the problem?

A:

Q: Evaluate the following integral:

A: Given,         ∫2416-25n2dn

Q: Consider the following figure. Perform the transformations given by Ro.270 o Px=1

A: Hey, since there are multiple subparts posted, we will answer first question. If you want any…

Q: can anyone help me with this?

A: Note :  1. Corresponding angles are equal. 2. Alternate exterior angles are equal.

Q: What is the right answer? I have to show work.

A: The probability PAB is the conditional probability of happening of event A provided event B already…

Q: how can we relate the concept of permuntation and combination in our daily life?

A: Permutation and combination: Combination is process which is taken in use for selecting  several…

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A: To approximate the below integral and find the partial sum that will approximate the integral to…

Q: Evaluate then simplify: Stan (4p) sec (4p)dp

A:

Q: 6. Two right triangles ACBA and AWXY are similar. AC=5, AB=6, BC=V61. Label the name of the second…

A:

Q: Can someone help me with this?

A: Given that, A factory makes two products. Product A takes 4  hours on Machine 1 and 2 hours on…

Q: I need help with this question

A: Given:

Q: Can someone help me answer question 4 ?

A: Given that  The number of classes (X) a student takes in a given semester follows the following…

Q: could you please write this on paper?

A:

Q: Can you answer this question please?

A: Hey, since there is multiple sub part questions posted, we will answer first three sub part…

Q: could you provide an example please?

A: Let us take:  u→=0, 0, 0v→=1, 2, 3w→=4, 5, 6

Q: can i please see it written out?

A: Solution

Q: Does lung function differ between non-smokers, vapers, and cigarette smokers? Non- Cigarette Smokers…

A: Solution To find mean square between we run the anova one factor analysis in excel.

Q: I need help with this question

A: First factor the equation

Q: What do you think are the respective research advantages and disadvantages of asking open questions…

A: Open-ended and closed-ended questions have their respective advantages and disadvantages.

Unitary Method

The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products. 

Speed, Time, and Distance

Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.

Profit and Loss

The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.

Units and Measurements

Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.