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topjm [15]
3 years ago
8

Can someone help me with this question?

Mathematics
2 answers:
vova2212 [387]3 years ago
7 0
3 feet because you multiply 0.2 and 15
vivado [14]3 years ago
3 0
I agree with the answer 3 ft
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A coin is tossed and a number cube is rolled. What is the probability that the coin shows heads and the number cube shows 5? a.
Inessa [10]

Answer:

1/12

Step-by-step explanation:

P( coin = heads) = number of heads / total = 1/2

P( cube = 5) = number of 5's / total =1/6

P( heads, 5) =1/2 * 1/6 = 1/12

8 0
3 years ago
Read 2 more answers
Roberta has $50 in her purse. The money she has left over after buying two boxes of cookies is given by the equation 50 − x = 38
const2013 [10]

Answer:

The cookies cost $6 each, and $12 altogether.

Step-by-step explanation:

50-38=12, or x

3 0
3 years ago
Question is attached​
AVprozaik [17]
Your picture isn’t popping up
8 0
3 years ago
According to the empirical (69-95-99.7) rule, if a random variable z has a standard normal distribution, then approximately 95%
Dmitry_Shevchenko [17]

Using z-scores, it is found that the value of z is z = 1.96.

-----------------------------

Normal Probability Distribution

Problems of normal distributions can be solved using the z-score formula, which for a measure X, in a distribution with mean \mu and standard deviation \sigma, is given by:  

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

  • It measures how many standard deviations the measure is from the mean.
  • Each z-score has an associated p-value, which is the percentile.

  • The normal distribution is symmetric, which means that the middle 95% is between the <u>2.5th percentile and the 97.5th percentile</u>.
  • The 2.5th percentile is Z with a p-value of 0.025, thus Z = -1.96.
  • The 97.5th percentile is Z with a p-value of 0.975, thus Z = 1.96.
  • Thus, the value of Z is 1.96.

A similar problem is given at brainly.com/question/16965597

7 0
2 years ago
Neeeeed helppppppppppp
sineoko [7]

Answer: the answer is below

Step-by-step explanation:

its 4

2.5 i think

4 0
3 years ago
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