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galben [10]
3 years ago
6

A group of first grade students were asked to name their favorite color. The responses are shown in the following frequency tabl

e,
Color
Frequency
Red 15
Blue 30
Green 8
Yellow 12
Purple 25

Which of the following statements is supported by the frequency table?
A. More students chose purple than any other color.
B. Twice as many students chose blue as chose red.
C. Yellow was chosen by the least number of students
D. The total number of student responses is 80
E. The combined number of students who chose green and yellow is greater than the number of students who chose purple.
Mathematics
1 answer:
bixtya [17]3 years ago
7 0

Answer:

A is true

B is true

C is false

D is false

E  is false

Step-by-step explanation:

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ExtremeBDS [4]

Answer:

16 miles

Step-by-step explanation:

The height is 26 miles. Multiply that by 2 which gets 52 and then subtract that from 84. That gives you 32 which means the sum of the lengths is 32/2 which is 16 miles

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2 1/3 -6x + 4 1/3-3x
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Need help with this math question, keep getting the first part correct but the other 2 parts of the function are incorrect. Not
Akimi4 [234]

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4 0
2 years ago
The ratio of the interior angle measures of a triangle is 2:3:5. What are the angle measures?
romanna [79]

Answer:

36:54:90

Step-by-step explanation:

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3 0
2 years ago
Trucks in a delivery fleet travel a mean of 120 miles per day with a standard deviation of 18 miles per day. The mileage per day
kvv77 [185]

The probability that a truck drives between 150 and 156 miles in a day is 0.0247. Using the standard normal distribution table, the required probability is calculated.

<h3>How to calculate the probability distribution?</h3>

The formula for calculating the probability distribution for a random variable X, Z-score is calculated. I.e.,

Z = (X - μ)/σ

Where X - random variable; μ - mean; σ - standard deviation;

Then the probability is calculated by P(Z < x), using the values from the distribution table.

<h3>Calculation:</h3>

The given data has the mean μ = 120 and the standard deviation σ = 18

Z- score for X =150:

Z = (150 - 120)/18

   = 1.67

Z - score for X = 156:

Z = (156 - 120)/18

  = 2

So, the probability distribution over these scores is

P(150 < X < 156) = P(1.67 < Z < 2)

⇒ P(Z < 2) - P(Z < 1.67)

From the standard distribution table,

P(Z < 2) = 0.97725 and P(Z < 1.67) = 0.95254

On substituting,

P(150 < X < 156) = 0.97725 - 0.95254 = 0.02471

Rounding off to four decimal places,

P(150 < X < 156) = 0.0247

Thus, the required probability is 0.0247.

Learn more about standard normal distribution here:

brainly.com/question/26822684

#SPJ1

5 0
1 year ago
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