2. The nicotine content in a single cigarette of a particular brand has a mean of 0.8 mg and a standard deviation of 0.1 mg. If a random sample of 100 cigarettes is taken, what is the probability that the mean amount of nicotine will be less than 0.79 mg?

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

A:

Q: Dario invested $5,990 in an account earning 5.17% p.a.How many days did it take for his investment…

A: Total investment P=$5,990 rate of interestr= 5.17% p.a Earning on interest C.I=$171.5

Q: United Express, a national package delivery service, charges a base price for overnight delivery of…

A: Let's denote the base price as b and the surcharge for each additional pound as s.

Q: How much would your savings change by, if at MPC of 81%. vour disposable income increases trom $340…

A:

Q: Translate the following phrase into an algebraic expression using the variable w. Do not simplify.…

A:

Q: A new cooler for a restaurant costs $8,500. The useful life is 8 years, and the salvage value is…

A: We know, Annual depreciation amount using straight line depreciation = (Cost- salvage value)/ useful…

Q: You purchase 8 gal of paint and 3 brushes for $152.50. The next day you purchase 6 gal of paint and…

A: To find the cost of each gallon of paint and cost of each brush

Q: The Al Shamsi family and the Al Baloushi family each used their sprinklers last summer. The Al Shams…

A:

Q: =D 3 t = 21

A:

Q: A filter is uscd to enhance the quality of a mobile-phone signal by simply subtracting unwanted…

A:

Q: You are paid $50 for 6.7 hours worked. How much would you earn if you worked 8 hours?

A: We are paid $50 for working 6.7hrs   We have to calculate pay for 8 hrs   For that, we will apply…

Q: e weekly pay that Paige receives varies directly with the number of hours she works. If she works…

A: Given query is to find the money made by Paige if she worked 35 hours.

Q: and

A:

Q: The athletics club is ordering tee shirts so it has them ready when new members join. The shirts…

A: The given problem is to find that how many tee shirts can be purchased if the club has $260 with…

Q: A physiotherapist purchased 14 rolls of resistance bands and 18 therapy balls for a total cost of…

A:

Q: A taxi charges $3.50 for up to and including the first mile, and $1.40 for each mile thereafter.…

A:

Q: CopyMart charges $21 plus 42 cents per copy to produce promotional brochures. How many brochures can…

A: One copy purchase brochure= 21+21*42%                        = 21+ (21*42)/100…

Q: A student earns a semester GPA of 2.8 for 12 semester hours.  Prior to this the student had a GPA of…

A: Overall Mean: The value obtained by adding of sum of all the products of sample size with respect to…

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: A collection of dimes and quaters is worth S15.25. There are 103 coins in all. How many of each is…

A:

Q: Brad buys a bicycle at a cost of $300 and sells it at 4% discount to Jeff. Jeff sells it at  2%…

A: Discount means to sell at lower price markup means to sell at higher price

Q: ach pencil cost 20 cents more than each eraser. Find th ane spent the same amoun of money on 10…

A: In the given question, the given situation is modeled as a linear equation. Linear Equation An…

Q: During one of his years with the Yankees, Giancarlo Stanton had a batting average of .281 with 597…

A: Batting average is defined as: BA= no. of hits made by batsmanno.of at bats implies that  no. of…

Q: in one city the taxi costs 5$ plus .50 cents per mile there is an additional 3.50$ cent extra…

A: Solution : total cost for each mile is : 5.50 +3.50 $ So total is 9 $. Now total money : 36 $  Each…

Q: Parents receive printed copies of learning modules 30 6 25 32 16 30 19 117 41

A: Given  Parents received printed copies of learning modules 30 6 25 0 32 16 30 19 117 41

Q: The list price, that means the price without a discount, for a new iPad is $650. The local Apple…

A: 20% of iPad price $650 is=650100×20=$130

Q: Question 9 Which of the following shows a positive correlation? A B : ●●● : ...

A: The scatterplots are given to identify the positive correlation scatterplot.

Q: The price of a loaf of bread was $0.70 in 1975 and $1.75 in 2011. Based on this information find the…

A: