Solve the problem. Round three decimal places as needed. Intelligence Quotient (IQ) scores are normally distributed with a mean of 100 and a standard deviation of 15. If 9 people are randcomly selected, what is the probability they will have a mean IQ score between 105 and 110?(round three decimal places)
solve the log equation and give the answer to four decimal places. log.(9x) = 2 - log. (x+3)
Solve each equation or inequality. Round to four decimal places if necessary. 1. 272p+1= 34p-1
Solve the given equation. (Round your answer to two decimal places.) f1/2 = 0.55
Solve the equation. Round your answer to three decimal places. 55) logx (89.5) = 3.6 56) 5X = 23 57) 2(x - 2) = 18 Use Cramer's rule to solve the system. 62) 4x + 3y = 26 4x + 2y = 20 Find the determinant of the given matrix, [-1-3-4 63) 5 3 5 [-5 5-1]
Solve the age Round to two decimal places as needed) Round to one decimal place as needed) - Round to one decimal place is needed) Write the vector in the form al + b], given its magnitude Iv and the angle a it makes with the positive x-axis. IV = 18, a = 120° (Simplify your answer. Type an exact answer using radicals as needed. Type your answer in the form ai + bj.) Find the direction angle of v...
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Round to two decimal places as needed.) interval.
Round to four decimal places as needed.) ol