George has $5.00 to spend on candy. If each candy bar costs $0.85, how many candy bars can he buy?
1 answer:
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The answer is B, the second choice.
Answer:
Step-by-step explanation:
35 49 51 54 65 51 52 47 87 37 46 33 39 44 39 64 94 34 30 48
is the sample given
From the above we can find
Mean =sum of all observations /20
=
Variance =
Std deviation= square root of variance
= 16.424
Population estimate for mean = 49.95
Population estimate for std dev =
=3.673
The value that separate 50% top form 50% bottom is the median
Median is the middle value after arranging in ascending order
=average of 47 and 48 = 47.5
Proportion of atleast 60 = 2/20 = 0.1
Option A:
Volume of the pyramid = 25 cm³
Solution:
<u>To find the volume of the pyramid:</u>
Base area = length × width
= 5 cm × 5 cm
Base area = 25 cm²
Perpendicular height of the pyramid = 3 cm
Volume of the pyramid =
= 25 cm³
Volume of the pyramid = 25 cm³
Hence option A is the correct answer.