Statistics (probability)


 

Statistics (probability)

 

Requested to be solved using excel content. A entirety of 11 problems, 3 enjoy drawings and sent as attachement:

 

1.     On middle, a car come-tos at a topical Starbucks animate through full 1.07 minutes. The rule is believed to ensue a Poisson dispensation. What is the verisimilitude that accurately 33 cars come-to in 1.25 hour(s)?

 

2.     If the verisimilitude of a faulty unthoughtful bulb is 0.06, to be 98 % impudent, up to how divers faulty unthoughtfulbulbs should you forebode in a pattern of 40 unthoughtfulbulbs?

 

3.     A peculiarity engineer at Intel is imperative for testing chips antecedently they are shipped to Intel's customers. Historical axioms evinces that chips are faulty delay verisimilitude 0.03. The engineer chancely selects 19 chips from a great genesis frame. What is the verisimilitude the engineer conquer invent accurately 6 faulty chips?

 

4.     The circumvent disposition director at InsuranceCorp is imperative for ensuring customer atonement. To this end, she recently implemented a new rating program. At the blank of each circumvent, the customer is infectious to an automated overlook attendant and asked to evince whether he was content or dicontent delay the circumvent.

During the primeval 40 days of the new program, the director steadfast that 5 % of customers were not content delay the results of their circumvent. If the director checks a chance pattern of 33 circumvents, what is the verisimilitude that 1 or fewer customers conquer be discontent delay the results of their circumvent?

 

5.     On middle, Jimbo's Luxury Resort receives 6.3 retention circumvents full hour (conjectured to ensue a Poisson dispensation). What is the verisimilitude that no over than 1 circumvents are accepted in 1.25 hour(s)?

 

6.     A hot dog acquiescence at Safeco Field sells an middle of 33.2 hot dogs per hour (believed to ensue a Poisson Distribution). How divers hot dogs should the vendor fund in command to be 93% certain it has ample hot dogs for 2.5 hour(s)?

 

7.     Two TVs are chancely chosen from a great shipment. Each has a 0.03 verisimilitude of entity faulty. Apportion Pr{ 1st good-tempered-tempered and 2nd faulty }.

 

8.     Happy Harry's Hamburgers recently commissioned a top tier consulting sodality to unravel a new colony preference rule. However, following receiving the primeval invoice from the consulting sodality, Joyous Harry wasn't... joyous that is, and he determined to obliterate the difference of the pledge. Along delay the invoice, the consulting sodality supposing Joyous Harry delay the results of their consider to continuance. The sodality had analyzed Joyous Harry's anterior colony preferences, categorizing them as large consummationes, consummationes, or needs. Here is what they reported: 

 77.19 % of gone-by colonys were a consummation 

 17 % of gone-by colonys were a need 

 Happy Harry was underwhelmed by this advice. However, the sodality too applied a design it unraveled to Harry's gone-by largely auspicious, auspicious, and failed colonys. Abandoned a large consummation, the design predicted consummation 93.5 % of the age. Abandoned a consummation, the design predicted consummation 92.5 % of the age. Abandoned a need, the design predicted need 77.5 % of the age. 

 Now what Joyous Harry indeed wants to understand is the verisimilitude of a consummation abandoned a predicted consummation. So, produce Harry a abetting index and apportion Pr{S|PS}: