Please help, don’t know how solve.
1 answer:
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The cost for buying the tent is $230.
65% was increasesd for selling. Then the rate is
The tax is 8%. So this is from the marked price.
Therefore the total cost of the tent is $225.39.
Answer:
rational
Step-by-step explanation:
A rational number can be expressed in the form
← where a and b are integers
Given
2.88
= 2
=
= ← in rational form
Answer:
340
Step-by-step explanation:
The first step is finding the percentage of those who fail within 19 months.
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:
The proportion is the pvalue of Z when X = 19. So
has a pvalue of 0.6808.
Jolt is expected to replace 0.6808 of the connectors sold. Out of 500, that is, on average, 0.6808*500 = 340.
Jolt expects to replace, on average, 340 of the connectors sold.