Can anyone help me on this question?

Mathematics

1 answer:

natali 33 [55]3 years ago

7 0

Maybe this will help but a triangle always is 180 degrees

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Birth weights are normally distributed with a mean of 3419 g and a standard deviation of 494 g. If a hospital plans to set up sp

Bas_tet [7]

Let X represent a random variable representing the birth weights of babies, and let x be the required cut-off, then
P(X < x) = 0.02
P(z < (x - 3419)/494) = 0.02
1 - P(z < (3419 - x)/494) = 0.02
P(z < (3419 - x)/494) = 1 - 0.02 = 0.98
(3419 - x)/469 = 2.04
3419 - x = 956.76
x = 3419 - 956.76 = 2462.24

Therefore, the weight to be used as cut-off is 2462.24 g

3 0

3 years ago

Probability the sum of the two numbers on the dice will be multiple of 6

storchak [24]

Answer: to get two 6’s when rolling two dice, probability 1/36 or 2.78 percent

Step-by-step explanation: probability of one landing on six is 1/6 so square that because we have two dice so 1/36 (6*6)

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3 years ago

David and Ashley want to calculate $8.27 – $2.98 by first calculating $8.27 – $3 = $5.27. David says that they must subtract $0.

Ierofanga [76]

Number lines are used to represent numbers on a line at a regular interval.

David's statement is correct, while Ashley is incorrect