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automobiles arrive at the drive-through window at a post office at the rate of 4 every 10 minutes. the average service time is 2 minutes. the poisson distribution is appropriate for the arrival rate and service times are exponentially distributed. a) what is the average time a car is in the system? b) what is the average number of cars in the system? c) what are the average time cars spend waiting to receive service? d) what is the average number of cars in line behind the customer receiving service? e) what is the probability that there are no cars at the window? f) what percentage of the time is the postal clerk busy? g) what is the probability that there are exactly two cars in the system?

Which of the following best describes force? Question 6 options: slowing down speeding up a push or a pull moving an object

Flag this question question 8 10 pts use the δh°f and δh°rxn information provided to calculate δh°f for if: δh°f (kj/mol) if7(g) + i2(g) → if5(g) + 2 if(g) δh°rxn = -89 kj if7(g) -941 if5(g) -840

Why do hurricanes lose power once they reach land?

Which of the following does NOT change the study of history over time? A. changing values B. new evidence C. orthodox interpretations D. revisionist ways of thinking

In 2016, American singer-songwriter Bob Dylan was awarded the Nobel Prize in Literature, making him the the award. first musician to ever receive The award sparked debates about whether a musician qualifies for the award. Educate yourself about both sides of the argument and form your own opinion about the topic. Read the four articles provided here to learn more about both sides of the argument.

if you're fully vaccinated can you still get corona

which of the following statements regarding male and female adolescent sexual behavior is accurate?

The length of a rectangular flower garden is 5 feet more than its width. A. write an equation in terms of width for the area of the garden B. If the area of the garden is 104 sq feet write an equation that can be used to solve for the width C. Solve the equation D. What is the length and width of the garden

Which statement BEST describes the goals of Latin American revolutionary leader Simon Bolivar in the 19th century? A) Bolivar needed aid from the United States in his efforts. B) Bolivar wanted a united, independent Latin American country. C) Bolivar supported the interests of the poor Indians in Peru. D) Bolivar failed in his attempt to liberate colonies from Spain.

3.10. 1 IT IS + A PERIOD OF TIME + SINCE + S + LAST + past tense.. Eg: It is 2 months since she last saw him She last saw him 2 months ago. The last time she saw him was 2 months ago. She hasn’t seen him for 2 months. It has been 2 months since she last saw him. *It is a month since he visited his parents. * It is 5 days since we last eat fish. * It is many years since we wrote a book. * It is over a month since he talked to her.

Who came up with the geocentric model of the solar system?

How does the symbol of the statue and its imagery contribute to the meaning of “Ozymandias”? I met a traveller from an antique land Who said: Two vast and trunkless legs of stone Stand in the desert . . . Near them, on the sand, Half sunk, a shattered visage lies, whose frown, And wrinkled lip, and sneer of cold command, Tell that its sculptor well those passions read Which yet survive, stamped on these lifeless things, The hand that mocked them, and the heart that fed: And on the pedestal these words appear: 'My name is Ozymandias, king of kings: Look on my works, ye Mighty, and despair!' Nothing beside remains. Round the decay Of that colossal wreck, boundless and bare The lone and level sands stretch far away.

Potrzebuje szybko odpowiedzi!!! i pisać np. 1 a 2 c 1. Słowo biblia oznacza a, wyjątkowe pochodzenie b, obszerny księgozbiór c, barwną opowieść d, podstawę wiary 2. Stary testament otwiera a, księga wyjścia b, księga rodzaju c, ewangelia wg św. Marka d, ewangelia wg św. Mateusza 3. Ziemia obiecana to inaczej a, nil b, egipt c, eden d, kanaan 4. Nowy testament to święta księga a, żydów b, chrześcijan c, patriarchów d, muzułmanów 5. Żydzi wędrowali do ziemi obiecanej a, 10 lat b, 13 lat c, 40 lat d, 55 lat

Diseases can be caused by many different types of organisms, including protozoa. Which of the following diseases is caused by a protozoan? A. anthrax B. influenza (flu) C. malaria D. tuberculosis

Suppose that a random variable x can take on integer values from 0 to 5 and its pdf is defined as follows:P(x)=11-2x/36 Calculate the expected values of x

A clause which cannot represent a complete thought by itself is called anclause Adjective Dependent Independent

A trinomial with a leading coefficient of 3 and a constant term of -5

Use the net to find the surface area of the cylinder. Give answer in terms of pi.

how does this amendment reflect of the principle to federalism

Express the equation in exponential form.(a) log7(1/343)=−3(b) log27(9)=⅔Express in logarithmic form.

I just do not know what to do.

Select the two men who headed the Axis powers of Germany and Italy in World War II.

What is the 72nd term in the term in the arithmetic sequence 3, 9, 15, 21,

10. Why are decomposers important? 1.They provide energy for other organisms. 2.They allow energy into an ecosystem. 3.They return nutrients to the biosphere. 4.They provide genes for organisms.