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brilliants [131]

3 years ago

10

A high school soccer team contains 7 juniors and 17 seniors. What is the ratio of the total number of players on the team to the

number of senior players?

1 answer:

vekshin13 years ago

3 0

2 to three juniors to one senior.

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Find Sin A, Cos A, and Tan A given the following triangle.

Solnce55 [7]

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3 years ago

Read 2 more answers

A sleep time of 15.9 hours per day for a newborn baby is at the 10h percentile of the distribution of sleep times for all newbor

Nuetrik [128]

Answer:

option (D) 16.5

Step-by-step explanation:

Data provided:

Sleep time of , X = 15.9 is at the 10th percentile

Standard deviation, σ = 0.5 hour

also,

10th percentile of normal distribution is

Z = F⁻¹(0.10)

or

Z = - 1.28 (Using Standard Normal distribution)

Now,

$\\Z=\frac{X-\mu}{\sigma}$

or

X = μ + ( σ × Z )

or

μ = X - ( σ × Z )

on substituting the respective values, we get

μ = 15.9 - 0.5 × (-1.28)

or

μ = 16.5

Hence, the correct answer is option (D) 16.5

8 0

2 years ago