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Agata [3.3K]
3 years ago
5

Question Help

Mathematics
1 answer:
Murljashka [212]3 years ago
6 0

Answer:

b and a

Step-by-step explanation:

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For 3/4 (three fourths) of a pound of peanuts, Jimmy paid $2.25. What is
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A noted psychic was tested for extrasensory perception. The psychic was presented with 2 0 0 cards face down and asked to determ
Natasha2012 [34]

Answer:

C. P- value < 0.04 0.05

Step-by-step explanation:

hello,

we were given the sample size, n = 200

also the probability that the psychic correctly identifies the symbol on the 200 card is

p=\frac{50}{200}= 0.25

using the large sample Z- statistic, we have

Z=\frac{p- 0.20}{\sqrt{0.2(1-0.2)/200} }

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    = 1.7678

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from the above, we conclude that the P- value < 0.04, 0.05

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4 years ago
Anne,Ryan and Joel collect empty cans for recycling. They collect a total of 1,925 cans. Anne collects half as many cans as Ryan
elixir [45]
A + R + J = 1925
A = 1/2R
J = 2R

1/2R + R + 2R = 1925
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R = 550

J = 2(550)
J = 1100

Joel collects 1100 cans.
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3 years ago
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