The flying time of a drone airplane has a normal distribution with mean 4.76 hours and standard deviation of. 04 hours. what is the probability that the drone will fly less than 4.66 hours?

Simplify the expression by combing any like terms 2a+3-5a+8b

a house is valued £210 000, correct to 2 significant figures, what is the lowest possible value of the house and the highest possible value of the house?

What is the equation of a straight line is parallel to y = 4x-1?

Explain why (cos ((theta)) ? + (sin ((theta)) 2 = 1

Which of the following is not a component of a payroll system? Payroll sinking fund Employee earning fund Payroll record Payroll bank account

Sam packed 42kg of rice into one big bag and 6 small ones which are of the same size. the big bag contained 3/7 of the rice. how many kilograms of rice did each small bag contained?

Which of the following expressions is written in scientific notation? 0.3 x 104 2 x 10-5 10 x 103 12 x 10-3

What is the slope of the line? y+3 = - 4 (9x+7)

A college has a 30% completion rate, meaning that 30% of all students who start at the college complete their studies. The president of the college sets a goal of increas ing this number by 50%. What will the completion rate goal be as a percent?

If the nth partial sum of the sequence an is given by n Sigma 2k+4 k=1 Then what is the nth term of the sequence? A. 6 B. 2n+4 C. 6+8+10+12 + ... + (2n+4) D. 2 (1) + 4+2 (n) + 4