<span>The probability that a house in an urban area will develop a leak is 55%. if 20 houses are randomly selected, what is the probability that none of the houses will develop a leak? round to the nearest thousandth.
Use binomial distribution, since probability of developing a leak, p=0.55 is assumed constant, and
n=20, x=0
and assuming leaks are developed independently between houses,
P(X=x)
=C(n,0)p^x* (1-p)^(n-x)
=C(20,0)0.55^0 * (0.45^20)
=1*1*0.45^20
=1.159*10^(-7)
=0.000
</span>
The y intercept is 1.5x+22.7 + the linear equation which is 22
Answer:
The DC flight
Step-by-step explanation:
A fixed amount ($50) is always a larger fraction of a smaller number. It is a larger fraction of $200 than of $1250. The plane flight to Washington DC is affected relatively more by a variation of $50.
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A price change of $50 on a base price of $200 is a percentage change of 25%. 50/200 × 100% = 25%
A price change of $50 on a base price of $1250 is a percentage change of about 4%. 50/1250 × 100% = 4%
