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spayn [35]
3 years ago
13

Suppose the mean height in inches of all 9th grade students at one high school is estimated. The population standard deviation i

s 5 inches. The heights of 9 randomly selected students are 66, 71, 63, 74, 69, 64, 66, 68 and 67.
Mathematics
2 answers:
pav-90 [236]3 years ago
6 0

Answer:

66

Step-by-step explanation:

try your best

AfilCa [17]3 years ago
3 0

Answer:

The mean is about 68 (67.5555)

Step-by-step explanation:

(63+64+66+66+67+68+69+71+74) / 9 ≈ 68

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What is the answer is of it tell me fast
s344n2d4d5 [400]

Answer :

<u>Given</u><u> </u><u>-</u>

  • Books read by aya = 5
  • Total number of books read by them = 14

<u>To</u><u> </u><u>find</u><u> </u><u>-</u>

  • How many books does luka reads.

<u>Solution</u><u> </u><u>-</u>

Here, total number of books is 14 and books read ny aya is 5 . To find the luka reads We'll subtract total number of books read by them from books read by aya.

→ 14 - 5

→ 9

<u>There</u><u>fore</u><u>,</u><u> </u><u>9</u><u> </u><u>books</u><u> </u><u>read</u><u> </u><u>by</u><u> </u><u>luka</u><u>.</u><u> </u>

7 0
3 years ago
camp oak gets 32 boxes of orange juice and 56 boxes of apple juice each self in the cupboard can hold 8 boxes of  juice what is
Flura [38]
32 boxes of oj + 56 boxes of aj = 90 boxes of juice
If a self can only hold 8 boxes of juice, then you need to divide 90 by 8.
90/8 = 11.25
This means that they need at least 12 shelves for all the Juice boxes.
7 0
3 years ago
A student loses a uniforms
Anna35 [415]

Answer:

Please ask a question so the community can help answer it and it has to be a school subject not a real life situation.

6 0
3 years ago
Start with x, subtract 4, multiply by 5, then add 9
brilliants [131]

Answer:

x - 4 = 4x

4x × 5 = 20x

20x + 9 = 29x

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
2-31. Write an equation and solve it to find the answer to the question below.  Use the 5-D Process to help you write the equati
raketka [301]

r = 25+b

n = 3b

n+r+b=435

3b+25+b+b=435

5b+25=435

5b=210

b=42

r = 25+42 = 67

n = 3(42) = 126

6 0
3 years ago
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