How does 0.4 - 0.453 = 0.247 and how does 0.4 + 0.453 = 0.553?

Q: Where do you get 0.9049 or it should be 0.4049 according to z table?

A: Given that, μ=43 yearsσ=5yearsn=30 The probability that the average age of the group is greater than…

Q: 5.75(+/- 0.03) + 0.833 (+/- 0.002) - 8.021 (+/- 0.001) = ? Select one: a. -1.438 (+/- 0.027) b.…

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Q: Hi, where is the 2.66 coming from?

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Q: substitute x =4.55 into x/5 - 3 and evaluate

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Q: how is 50.27= 1mod 71?

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Q: 2+5+8+11+...293

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Q: Where did you get the 9.408 from? Is it not supposed to be 0.408

A: Yes it is wrong calculation there supposed to be 0.408 instead of 9.408  i am solving it correctly…

Q: What is 11/4 + 11/8 =

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Q: i dont understand how you got the 0.58

A: The mean is 8 and the variance is 16.

Q: Find :18th term of the A.P. 2, 3/2, 5/2,

A: Arithmetic Progression is sequence of numbers where any two consecutive number is same. This…

Q: where did 0.358 came?

A: We have to show from where 0.358 came

Q: 0.0000 was incorrect. is there another way to get the answer?

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Q: 2/5 1/4

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Q: What is one quarter of 172?

A: One quater means  (1/4) of the total value.

Q: how did you get 10.02  if you do 2.41*1.8+5.7=10.038

A: As we know z-value formula  z=x-μσ now we have : z=2.4μ=5.7σ=1.8

Q: How did you get 0.15088 from -0.3877?

A: From the given information, the mean is 313.

Q: what is the name of a test that is used to find the power of n=2?

A: Student's t-test is used to determine the mean difference between two treatments that have different…

Q: What answer goes with the 0.5517? I need help on D, E, F, please.

A: The mean is 9.9 ppm and the standard deviation is 1.6 ppm.

Q: why did you mulitple 8.2 with 27? where did 27 come from?

A: why did you multiply 8.2 with 27? where did 27 come from?

Q: A.B = 6+b =[4+ b²19+1 TAL IB| Cos o %3D

A: Given,         A.B=|A|.|B| cos(0)   ⇒ 6+b=4+b2.9+1

Q: Thank you. Is the calculation correct for (50-4)2/1000 you said 1 there instead of 2

A: It is given that a offers one $1000 prize, one $500 prize, and two $50 prizes, the cost of each tick…

Q: Where does the 0.025 come from?

A: The given confidence level is 95%.

Q: What is 1/10 plus 1/15 plus 1/2

A: The given expression is  110+115+12

Q: the root lies between 2.625 and 2.75 is 2.6875. True O False

A: We want to find is the given statements is true or false.

Q: how did you get 123:2 from 0.984/0.016

A: Given that  0.984/0.016

Q: Using the results from the last question, if 5000 rods are manufactured in a day, how many should…

A: Using the results from the last question, if 5000 rods are manufactured in a day, how many should…

Q: 4 12

A: The denominator of the resulting fraction can be obtained by multiplying 6 by 2.

Q: Earthquakes On January 23, 2001, an earthquakeregistering 7.9 hit western India, killing more…

A: The intensity I1 and I2 with magnitudes M1 and M2 respectively can be compared using the formula…

Q: How do you go from 0.5833 to 0.7202

A: Given data :  Use the Standard Normal Distribution to answer the following question: The mean serum…

Q: How were you able to calculate 0.7838?

A: P(-0.9< Z< 1.85)=0.7833

Q: -1.84 - ( -6.3)

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Q: 2 (63 = -8) +2= 12

A: Given:        263x-8+2 = 12

Q: What is -1/2 as a decimal?

A: Here, the objective is to write -1/2 as a decimal.

Q: y 1.5 1.0 0.5 -0.5 0.5 1.0 1.5 -0.5F

A: Given the region in the graph.                           We have to find the inner and outer radius…

Q: A sample of size 50 will be drawn from a population with mean 76 and standard deviation 14. Find the…

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Q: (1/6)5/(1/6)3

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Q: 1 3 6 -5 -2 7 A = 8. 152

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Q: how did you get the 0.0339? And how did you get the 0.2016,0.2694

A: The sample proportion is 0.2355, and the sample size is 603.

Q: How do you get the 1.26 for the answer?

A: We have to solve  r3= 2, to get the required answer.