02/08/21
Geometry chapter 7
True or false questionsAre all circles similar Is a similarity transformation that maps one circle onto another must include a rotationIs there always a similarity transformation that will map one...
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02/08/21
What is the percentages of time will the elevator arrive in more than 8 seconds and
Suppose that arrival times for an elevator in a large hotel are bell-shaped with a mean of 20 seconds and a standard deviation of 6 seconds.Please help I don't understand this question(d) What...
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02/08/21
trigonometry homework help
Note: Triangle may not be drawn to scale.Suppose c = 14 and A = 25 degrees.Find:a = _______b = ______B = ______ degreesGive all answers to 3 decimal places. Give angles in degrees
02/07/21
An urn contains 10 red chips, 6 black chips, and 2 blue chips. You are to randomly select 2 chips without replacement. You win the game if both chips are black. What is the probability that you win?
How do I do this question
02/07/21
Statistics help (is this a Z Table thing??)
A pacemaker is a medical device that uses electrical impulses, delivered by electrodescontracting the heart muscles, to regulate the beating of the heart. Pacemaker implantation is anecessary...
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02/07/21
Find the probability
Find the probabilities/area under the curve, for the standard normal curve (N(mean =0, sd=1)).P(Z>1.6)P(Z<3)P(-1.4<Z<0.5)P(|Z|>0.6)
02/07/21
Find the exact values of the six trigonometric functions of 𝜃 if 𝜃 is in standard position and P is on the terminal side.
Find the exact values of the six trigonometric functions of 𝜃 if 𝜃 is in standard position and P is on the terminal side.P(−24, −7)
02/06/21
How many terms of the series 25+19+13 +… are required to make the sum −20?
How many terms of the series 25+19+13 +… are required to make the sum −20?
02/06/21
which conditions form a unique quadrilateral?
which conditions form a unique quadrilateral? a rectangle with perimeter 96m a rhombus with angle of measures 145 and 35 a parallelogram with a 72 angle between sides of length 7 ft and 9ft a...
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02/06/21
Use fundamental identities to find the values of the trigonometric functions for the given conditions.
Use fundamental identities to find the values of the trigonometric functions for the given conditions.sin 𝜃 = −12/13 and sec 𝜃 >...
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02/06/21
Find the exact values of the six trigonometric functions of 𝜃 if 𝜃 is in standard position and P is on the terminal side.
Find the exact values of the six trigonometric functions of 𝜃 if 𝜃 is in standard position and P is on the terminal...
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Can someone answer this proof ASAP plz!
Given: AC and DB bisect each other.Prove: △ABE≅△CDE.
02/06/21
Stats Question (Please Help)
A quiz has 10 multiple choice questions each with 4 answers that are equally likely to be the correct one. Suppose that the quiz takers need to score 7 corrects out of 10 to pass. Answer the...
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02/06/21
. Angle A and B are supplementary angles. The measure of angle B is the measure of angle A minus 14. Find the measure of the angle A and B.
finding the measure a and b n how to solve this word problem
02/06/21
B is between A and C. AC= 8x , AB= 6x+11 , and BC = 34 , Find AC
B is between A and C. AC= 8x , AB= 6x+11 , and BC = 34 , Find AC
02/06/21
You measure 22 backpacks' weights, and find they have a mean weight of 39 ounces. Assume the population standard deviation is 14.8 ounces.
Based on this, construct a 90% confidence interval for the true population mean backpack weight.Give your answers as decimals, to two places
02/06/21
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 109-cm and a standard deviation of 1.6-cm. For shipment, 27 steel rods are bundled together.
Find the probability that the average length of a randomly selected bundle of steel rods is less than 108.7-cm. P(M < 108.7-cm) =
02/06/21
Engineers must consider the breadths of male heads when designing helmets
The company researchers have determined that the population of potential clientele have head breadths that are normally distributed with a mean of 6.9-in and a standard deviation of 0.9-in.In what...
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02/06/21
The lengths of pregnancies in a small rural village are normally distributed with a mean of 268 days and a standard deviation of 17 days.
In what range would you expect to find the middle 95% of most pregnancies? Between ____ and .____If you were to draw samples of size 31 from this population, in what range would you expect to find...
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02/06/21
A particular fruit's weights are normally distributed, with a mean of 747 grams and a standard deviation of 8 grams.
If you pick 19 fruits at random, then 12% of the time, their mean weight will be greater than how many grams?Give your answer to the nearest gram.
02/06/21
A manufacturer knows that their items have a lengths that are skewed right, with a mean of 17.3 inches, and standard deviation of 4.3 inches.
If 50 items are chosen at random, what is the probability that their mean length is greater than 18.3 inches?(Round answer to four decimal places)
02/06/21
A population of values has a normal distribution with μ = 35.3 μ = 35.3 and σ = 68.8 σ = 68.8 . You intend to draw a random sample of size n = 12 n = 12 .
Find the probability that a single randomly selected value is greater than -10.4. P(X > -10.4) = Find the probability that a sample of size n=12n=12 is randomly selected with a mean greater than...
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02/06/21
A population has parameters μ = 126.2 μ = 126.2 and σ = 42.9 σ = 42.9 . You intend to draw a random sample of size n = 226 n = 226 .
What is the mean of the distribution of sample means? μ¯x=What is the standard deviation of the distribution of sample means? (Report answer accurate to 2 decimal places.) σ¯x=σx¯=
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