Helium, a non renewable by-product of natural gas, is vital to the development of superconductor and other technology that are now emerging and will be important in the future. yet helium is being wasted when natural gas is extracted because of a lack of storage space for the helium. because helium is being wasted us industry will not have enough of the commodity when it needs it in the future.
which of the following, if true, would cast the most doubt on the accuracy of the prediction above?
a) in the us, the market price of the natural gas is rising sharply, while the market price of the helium remains unchanged.
b) the us government now maintains strategic stockpiles of helium so that some helium will be conserved for military uses.
c) recently discovered uses for helium can be expected to raise helium's price to the point where it will soon be economical to build excess storage capacity for helium in the us.
d) the number of newly discovered large natural gas deposits in the us has been declining each year for the past 5 years.
e) recently discovered superconductor that work at temperatures well above absolute zero have not been developed to the point where they are fully practical.

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Imagine us is a startup that offers high definition 3d prenatal ultrasounds for high-end customers. the service process includes four activities that are conducted in the sequence described below. (the time required for each activity is shown in parentheses): activity 1: welcome a patient and explain the procedure. (20 minutes)activity 2: prep the patient (e.g., show them to the room, apply ultrasound gel). (17 minutes) (*your id number represents the amount of time needed to complete this task)activity 3: take images. (5 minutes)activity 4: discuss diagnostic with patient. (20 minutes)at each location there are employees (servers) s1, s2, and s3. the assignment of tasks to servers is the following: s1 does activities 1 and 2.s2 does activity 3.s3 does activity 4.a. what is the capacity of this process (in customers per hour)? b. suppose 3 patients arrive every hour on average. ignoring any “start of day” or “end of day” effects, what are the utilizations of all three servers (%)? c. suppose each activity can be done by any server and any server can do any set of activities. however, each activity is done by only one server. for example, a possible assignment includes: s1 does activity 1, s2 does activity 2, and s3 does activities 3 and 4. of course, the original assignment of servers to activities is also feasible. what is the maximum capacity of the process (in customers per hour)? d. now consider the capacity measures in (c) and (a), what is the percentage change? why can you improve capacity without using additional resources? (there is no free lunch, right? )note: for all hw assignments, show your process of getting the results. only providing the final answers is not acceptable and will get 0%. if necessary, use a separate sheet of paper to show your work.

Digitalhealth electronics inc. is a company that builds diagnostic devices. it was the first company to develop a compact mri scanner by reconfiguring the components of the mri technology. this smaller and user-friendly version of the huge mri scanner created demand from small hospitals, nursing homes, and private practice doctors who were earlier dependent on the scanning machines in large hospitals. which of the following types of innovations does this scenario best illustrate? a. disruptive innovation b. incremental innovation c. radical innovation d. architectural innovation