3 years ago

Can someone round these to the nearest .1 1.602564102564103 2.380952380952381

Mathematics

1 answer:

antiseptic1488 [7]3 years ago

3 0

Answer:

1.6; 2.4

Step-by-step explanation:

five or more round up

4 or less leave as is

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Answer:

Step-by-step explanation:

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Round the nearest dollar amount of $34.57

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Traci is collecting donations for a dance marathon. One group of sponsors will donate $36 for each hour she dances. Another grou

AveGali [126]

Answer:

36h + 75 < 1200

solve:

36h + 75 = 1200

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3 years ago

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Step-by-step explanation:

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If the random variable X is normally distributed with a mean of 75 and a standard deviation of 8, then P(X ≥ 75) is:a. 0.500b. 0

drek231 [11]

Answer:

a. 0.5

Step-by-step explanation:

We know that X follows normal distribution with

mean=75

standard deviation=8

$P(X\geq 75)=P(\frac{x-mean}{standard deviation}\geq \frac{75-75}{8})$

$P(X\geq 75)=P(Z\geq 0)$

$P(Z\geq 0)=$ P(0<Z<∞)

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So, P(0<Z<∞)=0.5

Hence the P(X ≥ 75)=0.5

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4 years ago