Exercise 1

Expect that the time spent online by clients is ordinarily appropriated with a mean of 35 minutes and a standard deviation of 5 minutes. Find:

1.the likelihood a client goes through under 30 minutes on the site

2.the likelihood a client goes through over 44 minutes on the site

3.the likelihood a client spends somewhere in the range of 32 and 40 minutes on the site

4.the measure of time in minutes spent on the site by close to 5% of all clients.

Brandybuck Insurance Company (BIC) is concluding whether to guarantee the existences of those driving a journey to Moria. In view of past experience, the likelihood of enduring such a mission is 88.3%. On the off chance that BIC charges an expense of 8,804 silver coins and would pay a demise advantage of 89,895 silver coins if the guaranteed were to pass on, what is the generally anticipated worth of this protection strategy to BIC?

rund to the closest silver coin on a case by case basis. On the off chance that the normal worth is a misfortune to BIC, enter your answer as a negative number.

An official competitor's associate gauges that, among all understudies, the extent p who plan to cast a ballot in the forthcoming political decision is at any rate 60%. In the event that 132 out of an irregular example of 235 undergrads communicated an aim to cast a ballot, would we be able to dismiss the associate's gauge at the 0.05 degree of importance?

Play out a one-followed test. At that point fill in the table beneath.

Convey your moderate calculations to at any rate three decimal places and round your aswers as indicated in the table.

H0 :_____

H1 :______

Kind OF STATISTIC TEST: (CHOOSE ONE) Z, t, CHI-SQUARE, OR F

The worth of the test measurement:

(Round to at any rate three decimal places.)___________

The p-esteem:

(Round to at any rate three decimal places.)_____________

Would we be able to dismiss the helper's gauge that the extent of undergrads who plan to cast a ballot is at any rate 60%? Indeed OR NO

The Regency Hotel has sufficient room at its passage for six cabs to arrange, sit tight for visitors,

~30~

and afterward load travelers. Taxis show up at the lodging like clockwork; if a taxi drives by the inn

also, the line is full, it should drive on. Overall. It

takes a taxi driver a normal of 3.5 minutes to stack travelers and gear and

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