appears to be nowadays that understudies need to work increasingly more every week to have the option to bear the cost of the expenses of school. For a new work overview led by the public authority, there were

77

respondents who were working while at the same time going to school. The recurrence dispersion beneath sums up the quantity of hours worked each week as revealed by the respondents.

Number of hours

worked each week

(hours per week) Frequency

26

to

30

8

31

to

35

24

36

to

40

19

41

to

45

14

46

to

50

9

51

to

55

3

In light of the recurrence appropriation, utilizing the midpoint of every information class, gauge the mean number of hours worked each week by the respondents. For your middle of the road calculations, utilize at least four decimal places, and round your response to one decimal spot.

hours out of every week

Another plan for the stopping mechanism on a specific kind of vehicle has been proposed. For the current framework, the genuine normal slowing down distance at 40 mph under indicated conditions is known to be 120 ft. It is recommended that the new plan be carried out just if test information unequivocally shows a decrease in obvious normal slowing down distance for the new plan. Assume slowing down distance for the new framework is typically appropriated with = 10. Allow X to signify the example normal slowing down distance for an irregular example of 36 perceptions. What is the likelihood that the new plan isn't executed when its actual normal slowing down distance is really 115 ft?

The accompanying rundown gives the quantity of pets for every one of 15 understudies.

3

,

1

,

0

,

0

,

4

,

0

,

2

,

2

,

4

,

1

,

0

,

1

,

2

,

1

,

2

Send information to mini-computer

Discover the methods of this informational collection.

In the event that there is more than one mode, think of them isolated by commas.

<14>

In the event that there is no mode, click on "No mode."

The likelihood that an establishment gets a PC from three distinct makers are, 0.60 from F1F1, 0.30 from F2F2 and 0.10 from F3F3. In the event that 95% of those PCs from F1F1, 80% of those from F2F2 and 65% of those from F3F3 perform for over two years without fix. What is the likelihood that any one PC got by the organization will perform for a very long time without repair,Given a PC perform for a very long time without fix what is the likelihood it came from F3 and

What is the likelihood that any one PC got by the establishment won't perform for a very long time without fix.