Assume Edward didn't do the webwork issue about understudies arbitrarily speculating on various decision tests and Edward is presently taking a different decision test which comprises of 100 numerous decision questions. Each numerous decision question comprises of 4 choices. In the event that the base number of right responses for breezing through the test is 60, what is the likelihood that Edward passes on the off chance that he haphazardly surmises on each issue? (Kindly Do not neglect to check certain conditions.)

A nearby bank audited its Visa strategy with the goal of reviewing some of

its charge cards. In the past around 5% of cardholders defaulted, departing the

bank incapable to gather the remarkable equilibrium. Thus, the executives set up a

earlier likelihood of .05 that a specific cardholder will default. The bank too

tracked down that the likelihood of missing a regularly scheduled installment is .20 for clients who do

not default. Obviously, the likelihood of missing a regularly scheduled installment for the individuals who

default is 1.

Given that a client missed at least one regularly scheduled installments, register the back

likelihood that the client will default.

The bank might want to review its card if the likelihood that a client will default

is more noteworthy than .20. Should the bank review its card if the client misses a month to month

installment? Why or why not?

Utilize the table to address each question. Note: Round z-scores to the closest 100th and afterward track down the necessary A qualities utilizing the table.

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The limit of a specific kind of rope is typically circulated, with a mean of 350 pounds and a standard deviation of 24 pounds. What is the likelihood that a piece of this rope picked aimlessly will have the accompanying limits? (Round your responses to three decimal spots.)

(a) under 320 pounds

(b) somewhere in the range of 340 and 370 pounds

The mean expense of homegrown airfares in the United States rose to a record-breaking high of $385

per ticket (Bureau of Transportation Statistics site, November 2, 2012). Airfares were

in light of the complete ticket esteem, which comprised of the cost charged by the aircrafts in addition to

any extra duties and expenses. Accept homegrown airfares are regularly conveyed with a

standard deviation of $110.

What is the likelihood that a homegrown airfare is $550 or more?

What is the likelihood that a homegrown airfare is $250 or less?

What is the likelihood that a homegrown airfare is somewhere in the range of $300 and $500?

What is the expense for the 3% most noteworthy homegrown airfares?

will H 7. Rewrite 125 V in simplest form using radicals (instead of rational exponents) 8. Rewrite in simplest form using rational exponents Vz (instead of radicals).Suppose that on Thursdays between 9:00 and 9:30 at night, the number of call attempts / at a telephone switching office is a Poisson random variable with expected value 1000. Next Thursday, the President will deliver a speech at 9:00 that will be broadcast by all radio and television networks. The null hypothesis, Ho, is that the speech does not affect the probability model of telephone calls. In other words, Ho states that on the night of the speech, N is a Poisson random variable with expected value 1000. Design a significance test for hypothesis Ho at a significance level of a = 0.1. Determine the rejection region! Determine the acceptance region!2. Dr. Adeena would like to study the effect of examination on the students' heartbeat. She selects seven students randomly from her Applied Statistics class. The students' rate of heartbeat (in beat per minute (bpm)) was measured while taking the Applied Statistics final examination and while they were in relaxing situation. The data is presented in the following table. Student In During examination 100 121 103 Relaxing situation F Using the assumption that the data in the study follows normal distribution, a) does the data indicate that the examination increase the students' heartbeat rate as compared to relaxing situation? Test at 1% level of significance. (9 Marks) b) identify the type of test for hypothesis in (a), either as a two-tailed test, right-tailed test or left- tailed test (1 Mark)