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Alla [95]
3 years ago
12

In a group of 65 students when you have brown eyes and 30 have blue eyes. Find the Probability that a student pick from this gro

up at random either has blue or brown eyes
Mathematics
1 answer:
Gemiola [76]3 years ago
4 0

Answer:

The probability that a student pick from this group at random either has blue or brown eyes is

P = 40/65 = 0.6154

P = 61.54%

Corrected question;

In a group of 65 students 10 have brown eyes and 30 have blue eyes. Find the Probability that a student pick from this group at random either has blue or brown eyes

Step-by-step explanation:

Given;

Total number of students = 65

Number of students with either blue or brown eyes;

= 10+30 = 40

The probability that a student pick from this group at random either has blue or brown eyes is

P = 40/65 = 0.6154

P = 61.54%

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A bag contains a total of 300 red chips and white chips. Suppose a student chooses a chip out of the bag, records the color, and
Jlenok [28]

Answer: 174 red chips

Step-by-step explanation:

A bag contains a total of 300 red chips and white chips. A student chooses a chip out of the bag, then records the color, and places the chip back in the bag. By doing this, the student recorded 29 red chips and 21 white chips.

To predict the number of red chips in the bag using this method goes thus:

Number of red chips picked= 29

Number of white chips picked= 21

Total number of chips= 29+21 = 50

So, the student picked 29/50. Out of 300 chips, number of reds that will be picked will be:

= 29/50 × 300

= 29 × 6

= 174 red chips

5 0
3 years ago
Under the last-in, first-out (LIFO) inventory valuation method, a price index for inventory must be established for tax purposes
frosja888 [35]

Answer:

The laspeyres method of weighted aggregate price index is used of LIFO inventory valuation, therefore laspeyres index number is 106.08

Step-by-step explanation:

First of all we would have to perform the following table:

                                             

Product   Ending Inventory(Q0)  Begining(P0)   Ending(P1)   P0×Q0   P1×Q0  

    A                    500                         0.15               0.21                75        105

    B                       50                         1.60               1.80                 80         90

    C                       100                        4.50             4.20                 450      420

    D                       40                          12.00          13.40                 480     536

                                                                                             Total  1085     1151

Therefore, using laspeyres index number, we calculate the following:

laspeyres index number=(∑P1×Q0/∑P0×Q0)×100

laspeyres index number=(1151/1085)×100

laspeyres index number=106.08

8 0
3 years ago
Please help!!!!
DochEvi [55]

Answer:

256h28k8

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Who drove the fastest? Select the correct answer. A Hector drove 205 miles in 5 hours. B Harlin drove 357 miles in 6 hours. C Ke
nikklg [1K]

Answer:

soooo it D

Step-by-step explanation:

you have to divide

A. h 205 divide by 5 =41 m

B. h 357 divide by 6= 59.5

C. k 419 divide by 7 = 59.8..............

D. s 508 divide by 8= 63.5

8 0
3 years ago
Subtract 8.3 – 2.57 =
likoan [24]

Answer:

5.73

Best of luck

Step-by-step explanation:

4 0
2 years ago
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