1.

OBX Cart Rentals has made a site for client access. They are attempting to decide a sensibly secure number of accessible passwords. They have chosen to permit capitalized letters, lower case letters, digits (0 - 9), and the three pecial characters: $, ! ?. Track down the quantity of conceivable 6 character passwords given every one of the conditions (Note: you MUST improve totally.)

The secret word should start with a letter (either upper or lower case)

reiterations allowed

reiterations not allowed

The secret word should start with a letter and end with a unique character ($, !, ?):

reiterations allowed

reiterations not allowed

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IT102 Chapter 6 Homework Fall 2020

104 individuals were approached to name the online webpage they have bought from this month. 40 addressed they shopped at Amazon, 28 at Kohls and 59 at Costco. 12 individuals shopped at all three locales, 20 at Kohls and Costco and 17 at Amazon and Kohls. 20 customers demonstrated that they didn't shop at any of these destinations. Note: you should decide the quantity of customers that utilized Costco and Amazon.

Make a Venn Diagram. Note there are 8 disjoint locales. Put the check of the quantity of customers around there.

What number of customers shop at one or the other Amazon or Kohls, however not both?

What number of customers shop at precisely one store?

(For this issue, leave your answers in Combinatorics design - don't improve). Josie

has 20 school companions that she might want to welcome to join her at a show; nonetheless, she just has 8 tickets. Since she will utilize one of the tickets, she needs to choose seven of her companions to join her.

a. In the event that there are no limitations

b. Of her 20 companions, three are trios. They will either all join in, or none.

c. Two of the companions are previous flat mates that at this point don't get along, they won't

go to together.

d. Of her 20 companions, 12 are ladies and 8 are men. She needs to welcome more

ladies than men.

(For this issue, leave your answers in Combinatorics design - don't improve). The

graduation board of trustees has 45 men and 40 ladies. 3 are chosen to sit on the stage with the college president.

i13i

What number of ways can NO ladies be chosen?

What number of ways can in any event one man be chosen?

What number of ways can 2 ladies and 1 man be chosen?

The number of ways can the choice be made, given the selectees an assignment:

first seat, second seat and third seat

(For this issue, leave your answers in Combinatorics design - don't rearrange).

Inquisitive George is holding a lot of inflatables: 8 blue, 6 red, 5 purple and 4 yellow. He chooses to release 4 of them.

What number of ways would he be able to let at any rate 2 red inflatables go?

What number of ways would he be able to let all things considered 1 yellow go?

What number of ways would he be able to release the inflatables so that none are yellow?

What number of ways would he be able to release the inflatables so they are generally a similar shading?

What number of ways would he be able to release the inflatables so they are altogether vaious shadings?

This issue has been settled!

See the appropriate response

In a study, specialists needed to gauge the impact of liquor on the hippocampal district, the segment of the mind capable for long haul memory capacity, in young people. The specialists haphazardly chose 10 young people with liquor use issues to decide if the hippocampal volumes in the alcoholic youths were not exactly the typical volume of 9.02 cm cubed. An investigation of the example information uncovered that the hippocampal volume is around typical with x =8.08 cm cubed and s=0.7 cm cubed. Lead the proper test at the 0.01 degree of importance. Express the invalid and elective speculations.

Upper H 0: mu approaches 9.02 Upper H 1: mu under 9.02

Identify the t-measurement. (Round to two decimal spots as required.

Recognize the P-esteem. P-value(Round to three decimal spots as required

Make an end in regards to the speculation. Fail to dismiss Reject the invalid theory. There is isn't adequate proof to guarantee that the mean hippocampal volume is equivalent to not exactly more noteworthy than nothing cm cubed.