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MATH SOLVE
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An optical inspection system is used to distinguish among different part types. The probability of a correct classification of any part is 0.98. Suppose that three parts are inspected and that the classifications are independent. Let the random variable X denote the number of parts that are correctly classified. Determine the probability mass function of X.
General
2 months ago
A tank originally contains 160 gal of fresh water. Then water containing 1 4 lb of salt per gallon is poured into the tank at a rate of 4 gal/min, and the mixture is allowed to leave at the same rate. After 8 min the process is stopped, and fresh water is poured into the tank at a rate of 6 gal/min, with the mixture again leaving at the same rate. Find the amount of salt in the tank at the end of an additional 8 min.
General
2 months ago
A sample of blood pressure measurements is taken for a group of adults, and those values (mm Hg) are listed below. The values are matched so that 1010 subjects each have a systolic and diastolic measurement. Find the coefficient of variation for each of the two samples; then compare the variation. Systolic 119119 130130 156156 9595 156156 122122 115115 134134 125125 120120 Diastolic 8181 7676 7373 5050 9090 8989 5959 6565 7070 8282
General
2 months ago
Find the domain and range of these functions. a) the function that assigns to each pair of positive integers the ﬁrst integer of the pair b) the function that assigns to each positive integer its largest decimal digit c) the function that assigns to a bit string the number of ones minus the number of zeros in the string d) the function that assigns to each positive integer the largest integer not exceeding the square root of the integer e) the function that assigns to a bit string the longest string of ones in the string
General
2 months ago
Find the slope of each line.
General
2 months ago
Dori filled her car with 26.5 gallons at the start of her trip. Upon arrival sherecorded her odometer mileage of 43,156 miles, but she realized she hadforgotten to get her beginning mileage. Knowing that her car gets an averageof 25 mpg, what is the best estimate of her beginning mileage?
General
2 months ago
A certain college graduate borrows $8000 to buy a car. The lender charges interest at an annual rate of 10%. Assuming that interest is compounded continuously and that the borrower makes payments continuously at a constant annual rate k, determine the payment rate k that is required to pay off the loan in 3 years. Also determine how much interest is paid during the 3-year period.
General
2 months ago
The gas tank of a car is filled with a nozzle that discharges gasoline at a constant flow rate. Based on unit considerations of quantities, obtain a relation for the filling time in terms of the volume V of the tank (in L) and the discharge rate of gasoline V (in L/s). How long will it take in minutes to fill a 14 gallon tank assuming it is completely empty? The discharge rate for the gas is 38.0 l/min.
General
2 months ago
Find the product. Your answer should be in simplest form.1. one-third• 7 (1 point) one over twenty-one two and one-seventh two and one-thirdFind the product. Your answer should be in simplest form.2. –seven-ninths• start fraction 3 over 5 end fraction (1 point) start fraction 18 over 35 end fraction start fraction seven over fifteen end fraction start fraction negative 7 over 15 end fractionFind the product. Your answer should be in simplest form.3. 2two-thirds • 9 (1 point) 32 24 eight over twenty-seven one over twenty-fourFind the product. Your answer should be in simplest form.4. negative 4 and one-half times left parenthesis negative 2 and one-third right parenthesis (1 point) 10one-half –10one-half –9 9Find the quotient. Your answer should be in simplest form.5. one third divided by five sixths (1 point) two-fifths The fraction is 5 over 2. start fraction 2 over 15 equals end fraction start fraction 5 over 18 end fractionFind the quotient. Your answer should be in simplest form.6. 3one-fifth ÷ 8 (1 point) 25three-fifths start fraction 9 over 40 end fraction one-tenth The fraction is 2 over 5.Find the quotient. Your answer should be in simplest form.7. negative three-fifths divided by left parenthesis negative three-fourths right parenthesis (1 point) one-twentieth The fraction is 4 over 5. Negative five-fourths negative four fifths Find the quotient. Your answer should be in simplest form.8. –3one-fifth ÷ two-fifteenths (1 point) one over twenty-four –one over twent-four 24 –24 three over seven
General
2 months ago
Solve each equation. Check for extraneous solutions.2 | x-7 | = x-8
General
2 months ago
Mrs.Willy bought 3 1/2 pounds of ground turkey and 2 1/2 pounds of white fish the white fish is $4.60 per pound cheaper than the ground turkey if she paid a total of 51.59 what is the price per pound she paid for the ground turkey and the price per pound for the white fish
General
2 months ago
You served food to a group at a restaurant. The total cost of the food was $42.00. The sales tax is 8% of the cost of food. The group asked you to add 20% of the original cost of food for a tip. What was the total cost for the group?
General
2 months ago
tiana decided to purchase a vehicle whose MSRP is listed at $22,450. Thedealer is offering a $4000 cash back incentive. If Tiana decides to purchasethis vehicle, what will be the vehicle's price?OA. $18,450OB. $20,050OC. $4000OD. $22,450
General
2 months ago
yo can someone help and give me a small follow up to understand the problem?
General
2 months ago
Suppose you deposit $12.50 into your savings account each week for 4 weeks and then withdraw $4.80 each week for the next two weeks. Find the total change in the amount of money in your account.
General
2 months ago
I’m not sure about these two problems... PLEASE HELP
General
2 months ago
Wilhelmina wrote a check for $72 to pay her monthly Internet bill, but whenbalancing her checkbook, she accidentally recorded it as a credit rather thanas a debit. How will her check register compare to her monthly bankstatement when she receives it?
General
2 months ago
Describe an algorithm that produces the maximum, me- dian, mean, and minimum of a set of three integers. (The median of a set of integers is the middle element in the list when these integers are listed in order of increasing size. The mean of a set of integers is the sum of the integers divided by the number of integers in the set.)
General
2 months ago
Thickness measurements of ancient prehistoric Native American pot shards discovered in a Hopi village are approximately normally distributed, with a mean of 4.5 millimeters (mm) and a standard deviation of 1.5 mm. For a randomly found shard, find the following probabilities. (Round your answers to four decimal places.)(a) the thickness is less than 3.0 mm(b) the thickness is more than 7.0 mm(c) the thickness is between 3.0 mm and 7.0 mm
General
2 months ago
what is the answer in this equation y <2x-2?
General
2 months ago
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