Mathematics, 18.10.2021 07:50 ddlc28
Athin tube stretched across a street counts the number of pairs of wheels that pass over it. A vehicle classified as type A with four axles registers four counts. A vehicle
classified as type B with three axles registers three counts. During a 1-hour period, a traffic counter registered 67 counts. How many type A vehicles and type B
vehicles passed over the traffic counter? List all possible solutions.
Which of the choices below are possible solutions to the problem? Select all that apply.
A. 1 type A and 21 type B vehicles
C. 7 type A and 13 type B vehicles
E. 13 type A and 5 type B vehicles
G. 14 type A and 4 type B vehicles
1. 16 type A and 1 type B vehicles
B. 10 type A and 9 type B vehicles
D. 9 type A and 10 type B vehicles
F. O type A and 22 type B vehicles
H. 4 type A and 17 type B vehicles
J. 2 type A and 20 type B vehicles
Answers: 1
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The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?
Answers: 2
Athin tube stretched across a street counts the number of pairs of wheels that pass over it. A vehic...
Mathematics, 29.02.2020 01:27
Mathematics, 29.02.2020 01:27