I need help with a math problem Mathematics Assignment Help

I need help with a math problem Mathematics Assignment Help. I need help with a math problem Mathematics Assignment Help.

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Telephone sales have
skyrocketed this past month.  The
probability that 1 of the 4 telephone lines is busy is 75%.  Therefore, currently the probability of all 4
lines being busy at the same time is about 32%.
I want to reduce the probability of all telephone lines being busy at
the same time.If I add 2 more telephone
lines, how much do I reduce the probability of all telephone lines being busy
at the same time? (Assume the probability that any phone line is busy remains at 75%)

I need help with a math problem Mathematics Assignment Help[supanova_question]

World History 3 Humanities Assignment Help

QUESTION 3

1. Which of the following was NOT a cause of the Great Depression in the United States?
 Black Tuesday, in which the stock market crashed consumer spending slowed many items were purchased on credit President Roosevelt’s New Deal

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World History 5 Humanities Assignment Help

QUESTION 5

1. The Treaty of Versailles included a clause that provided independence to nations who contributed to the efforts of the Allied Forces during World War I.
 True False

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World History 2 Humanities Assignment Help

QUESTION 2

1. Which nation gained independence after years of protest and opposition led by Mohandas Gandhi?
 China India Egypt Germany

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World History 1 Humanities Assignment Help

QUESTION 1

1. What occurred following the clash between Guomindang and Communist Party in China, resulting in the loss of over 90,000 people?
 the Amritsar Massacre Rowlatt Acts the Long March protests against a salt tax

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Need math help: How many international direct dialing number? Mathematics Assignment Help

How many international direct-dialing numbers are possible if each number consists of a four-digit area code (the first digit of which must be nonzero) and an eight-digit telephone number (the first digit must be nonzero)?
 A. 648,000,000,000 B. 486,000,000,000 C. 810,000,000,000 D. 891,000,000,000 E. 1,215,000,000,000

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Need help to write about any interesting topic Writing Assignment Help

In 2–3 paragraphs of 6–8 sentences each, respond to the following:

• List which essay prompt you chose, and explain why you found the topic interesting.
• Describe what information you already know about the topic that will assist you in writing your essay.
• Describe what research you will need to do and what information you will need to fully develop your essay.
• Explain how you will use outside sources to support your essay. Why do you need to include outside sources when writing an argumentative essay?

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Need math help: In how many ways may the exam be completed? Mathematics Assignment Help

An exam consists of six true-or-false questions. Assuming that every question is answered, in how many different ways can a student complete the exam? In how many ways may the exam be completed if a penalty is imposed for each incorrect answer, so that a student may leave some questions unanswered?
 A. 108; 72 B. 92; 1,439 C. 64; 729 D. 66; 225 E. 15; 1,316 F. 72; 536

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Need math help: how many possible identification numbers are possible? Mathematics Assignment Help

A warranty identification number for a certain product consists of a letter of the alphabet followed by a four-digit number. How many possible identification numbers are there if the first digit of the four-digit number must be nonzero?
 A. 234,000 numbers B. 307,000 numbers C. 99,000 numbers D. 6,000 numbers E. 414,000 numbers F. 432,000 numbers

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Need math help to find out how many different are possible Mathematics Assignment Help

In a survey conducted by a union, members were asked to rate the importance of the following issues: (1) job security, (2) increased fringe benefits, and (3) improved working conditions. Six different responses were allowed for each issue. Among completed surveys, how many different responses to this survey were possible?
 A. 192 B. 205 C. 216 D. 221 E. 198

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I need help with a math problem Mathematics Assignment Help

I need help with a math problem Mathematics Assignment Help