Suppose a normal distribution has a mean of 48 and a standard deviation of 2. what is the probability that a data value is between 44 and 47? round your answer to the nearest tenth of a percent. A. 30.5% B. 31.6% C. 28.6% D. 29.6%

56

step-by-step explanation:

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step-by-step explanation:

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step-by-step explanation:

sin(7pi/6 - pi/3)  

= sin(7pi/6 - 2pi/6)  

= sin(5pi/6)  

= sin(pi - pi/6)  

= sin(pi/6)  

= 1/2  

sin 7pi/6 - sin pi/3  

= sin (pi + pi/6) - sin pi/3  

= -sin pi/6 - sin pi/3  

= -1/2 - sqrt(3)/2  

= -(1+sqrt(3))2