A pattern is describe by an= 3n -5 what are the first four ters of the sequence?
1 answer:
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Answer:
0.3085,0.2417,0.0045
Step-by-step explanation:
Given that X, the amount of money spent at shopping centers between 4 P.M. and 6 P.M. on Sundays has a normal distribution with mean $85 and with a standard deviation of $20.
X is N(85, 20)
To convert into std normal variate we use the following formula
a) the probability that he has spent more than $95 at the mall
=
b. the probability that he has spent between $95 and $115 at the mall
=
c. If two shoppers are randomly selected, what is the probability that both shoppers have spent more than $115 at the mall
=product of two probabilities since independent
=
The model of the granola bars is an illustration of <em>ratios and proportions</em>.
The model that shows the total serving is model A
The given parameters are:
So, the number of servings in both bars is:
Substitute 2 for Bars and 2/5 for Servings
Express as multiplication
The total number of servings is 5
The model that shows a total serving of 5 is model A (see attachment)
Read more about ratios and proportions at:
