Mathematics, 07.05.2020 03:07 Magree5321
The weights of the fish in a certain lake are normally distributed with a mean of 20 lb and a standard deviation of 9. If 9 fish are randomly selected, what is the probability that the mean weight will be between 17.6 and 23.6 lb?
A) 0.3270
B) 0.0968
C) 0.6730
D) 0.4032
Answers: 3
Mathematics, 21.06.2019 13:40
/is used for a fraction 1) if x = 2/3 and y = 3/4, what is the value of (x + y) (x/y) expressed as a common fraction? 2) what is the least positive integer greater than 1 that leaves a remainder of 1 when divided by each of 2, 3, 4, 5, 6, 7, 8, and 9? 3) the ponde family's powerjet pumps 420 gallons of water per hour. at this rate, how many gallons of water will it pump in 45 minutes? 4) kim's insurance company pays 80% of the cost of all prescription medication she purchases in a year beyond the first $250 worth of prescriptions. her prescriptions for this year cost a total of $570. how many dollars of this amounts will kim's insurance company pay?
Answers: 1
Mathematics, 21.06.2019 22:50
He graph of f(x) = |x| is stretched by a factor of 0.3 and translated down 4 units. which statement about the domain and range of each function is correct? the range of the transformed function and the parent function are both all real numbers greater than or equal to 4. the domain of the transformed function is all real numbers and is, therefore, different from that of the parent function. the range of the transformed function is all real numbers greater than or equal to 0 and is, therefore, different from that of the parent function. the domain of the transformed function and the parent function are both all real numbers.
Answers: 3
Mathematics, 22.06.2019 01:30
The relative growth rate for a certain type of fungi is 60% per hour.a small culture has formed and in just 6 hours the count shows to be 20,273 fungi in the culture.what is the initial number of fungi in the culture?
Answers: 2
Mathematics, 22.06.2019 06:00
1. which answer is the solution set to the given inequality? 2x+6< 8 a. x e (-โ,1) b. x e [1,โ) c. x e (1,โ) d. x e (-โ,1] 2. which answer represents the given compound inequality in interval notation? xโฅ12 or x< -4 a. x e [-4, 12) b. x e (-โ, -4) u [12,โ) c. x e (-โ, -4] u (12,โ) d. x e (-4,12] 3. which answer is the solution set of the given compound inequality? 7> x+6 or x-2โฅ3 a. x e (-โ, 1) u [5,โ) b. x e (1, 5] c. x e (-โ, 1) โฉ [5,โ) d. x e [1,5) 4. which conjunction or disconjunction is equivalent to the given absolute value inequality? |x+3|> 12 a. x+3> 12 and x+3< -12 b. x+3< 12 and x+3> -12 c. x+3< 12 or x+3> -12 d. x+3> 12 or x+3< -12
Answers: 1
The weights of the fish in a certain lake are normally distributed with a mean of 20 lb and a standa...
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