Make a conjecture. What properties do you think stay the same after a translation? Check all that apply. angle measures length o
2 answers:
You might be interested in
Answer: Third option.
Step-by-step explanation:
Let be "x" the approximate actual width (in feet) of the car.
Based on the information provided in the exercise, you know that the scale of the model car is this one:
Which can be written as a fraction:
Therefore, if you know that the width of the model car is 2.3 inches, you can set up the following proportion:
Finally, you must solve for "x" in order to find its value.
So you get the following result:
Answer:
11.70% probability someone will spend no more than 30 minutes reading online national news reports.
Step-by-step explanation:
Problems of normally distributed samples can be solved using the z-score formula.
In a set with mean and standard deviation
, the zscore of a measure X is given by:
The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.
In this problem, we have that:
What is the probability someone will spend no more than 30 minutes reading online national news reports?
This is at most 30 minutes, so 30 or less minutes. This is the pvalue of Z when X = 30.
So
has a pvalue of 0.1170.
So there is a 11.70% probability someone will spend no more than 30 minutes reading online national news reports.