Solve.Each of the seven joints in the new design of the space shuttle's booster rocket had a 0.987 reliability when tested. The seven rocket joints work independently. A 0.987 reliability means that the probability of a rocket joint working successfully is 0.987. What is the probability that all seven rocket booster joints work successfully? Estimate the probability to three decimal places if necessary.
A. 0.987
B. 0.924
C. 0.901
D. 0.912
Answer: D
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Solve the problem.Let D be the region bounded below by the cone 
and above by the sphere 
. Set up the triple integral in cylindrical coordinates that gives the volume of using the order of integration 
.
A. 
B. 
C. 
D. 
Assuming that the equations define x and y implicitly as differentiable functions 
find the slope of the curve 
at the given value of t.x = t sin t + t, y cos t + y = 2t, t = 
A. - 
B. 2 + ?
C. 
D. 
Decide whether the problem is an equation or an expression.
- 
+ 2
A. Equation B. Expression
Use the information provided in the first statement to complete the second statement with one of the symbols <, ?, >, or ?.There are less than 850 offices in this corporate center.There are 
850 offices in this corporate center.
A. > B. ? C. < D. ?