Suppose that the number of Facebook friends users have is normally distributed with a mean of 139 and a standard deviation of about 42. Assume forty-four individuals are randomly chosen. Answer the following questions. Round all answers to 4 decimal places where possible.

Q: Josh spent a total of $17.28 , before tax , on donuts that cost $0.35 each. How many donuts did josh…

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Q: A=135 -1

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Q: If Harry and Heinrick start eating at the same time, when will their ponds have the same number of…

A: Initially, number of Loly pads in harry's pond=20 Number of Lilly pads in Heinrick's pond=29 Harry…

Q: Tomas earns $28 each time he mows the lawn for a neighbor. Tomas mowed 39 lawns in the month of…

A: Tomas earns $28 each time he mows the lawn for a neighbor. Tomas mowed 39 lawns in the month of…

Q: Q2/ Complete the following table to find the values a, b,c and s y A3 -1 2845 308 3162 S 1 3544 a 2…

A: The solution is given in the next step.

Q: Chris used 1 1/2 gallons of gas on Saturday and 3 1/3 gallons of gas on Sunday. How many gallons did…

A:

Q: 4 files was the same as the cost pf a notebook. He bought more notebooks with of his remaining…

A: First we will form the equations corresponding to the given statements then solving the question…

Q: A customer went to a garden shop and bought some potting soil for $17.50 and 4 shrubs. The total…

A: given that, soil cost=$17.50 4 shrubs cost+soil cost=$53.50

Q: In 2022, the total rainfall in Jessica's hometown was 139.759 centimeters. She made this table to…

A: Given that in 2022, the total rainfall in Jessica's hometown was 139.759 centimeters.She had…

Q: he doctor has finally figured out what is wrong with you and prescribes a medicine that will help…

A: here  the bottle has 100 mg per 15 ml

Q: Bob bought 22 chickens. Each chicken weighs 3.5 pounds. The chickens cost bob $99.33. How much did…

A: Find the solution below

Q: A student assistant at the university copy center has some nickles and dimes to use for change when…

A: Explained below...

Q: Bryce measured the floor of his storage unit, which is

A: The floor of his storage unit, which is

Q: Zoe had x dollars on Monday.    Her sister took $4.50 from Zoe on Tuesday.   Zoe's mother gave her…

A:

Q: You earn $42 for washing 7 cars. How much do you earn for washing 3 cars?

A: The given problem is to find how much do we earn for washing 3 cars if we earn $42 for washing 7…

Q: A retailer buys a top for $10 and decides to price it for $18.  What is the dollar markup on this…

A: Use formula to calculate mark up

Q: JUST ANSWER THE D

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Q: The product of two consecutive whole numbers is 182. The whole numbers are Select one: O a. -13 and…

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Q: The COTC Math Club wants to make t-shirts to celebrate "Pi Day". The president of the club calls…

A: T-Shirts - R- Us set up fee = 24 and $3 per shirt cost of 5 shirts = 5 (cost per shirt ) + setup fee…

Q: What's the answer to letter "B".  Be more specific please.

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Q: Find A and C

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Q: Statements 1. KJ MN and LKJL LMNL 2. LKLJ LMLN Reasons 1. 2. 3. 3.

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Q: During intermission, Shari bought a soda for $.79. Ifshe paid with a one dollar bill, what are three…

A:

Q: What is 5 times the sum of 9 and M

A: sum of 9 and M 9+M

Q: whats 30 of 40%

A: 30 of 40%

Q: Alexa's parents are looking to put new carpet in their living room. They have received several…

A: several different price quotes: $850,$625,$710,and $599

Q: Your boutique buys a hoodie for $15 and sells it for $31.  What is the markup?

A: As we know formula of markup,    Markup =( sale price - cost price )/cost price

Q: Emerson pays 227.25 for 3 windows. How many will Emerson pay for 5 windows

A: Emerson pays 227.25 for 3 windows. Let x be the price of 1 window. The price of 3 windows is: 3x…

Q: Orly uses 2 cups of raisins for every 8 cups of trail mix she makes. How many cups of trail mix will…

A: Solution : we have given that Orly uses 2 cups of raisins for every 8 cups of trail mix she makes.…

Rate of Change

The relation between two quantities which displays how much greater one quantity is than another is called ratio.

Slope

The change in the vertical distances is known as the rise and the change in the horizontal distances is known as the run. So, the rise divided by run is nothing but a slope value. It is calculated with simple algebraic equations as: