a local theater sells admission tickets for $9.00 on Thursday nights. at capacity , the theater holds 100 customers. the functio
2 answers:
Answer:
The domain of M(n) will be {0,1,2,3,...98,99,100}
Step-by-step explanation:
A local theater sells admission tickets for $9.00 on Thursday nights.
At capacity , the theater holds 100 customers.
T function represents the amount of money the theater takes in on Thursday nights, where n is the number of customers.
So, the domain of M(n) will be {0,1,2,3,...98,99,100}
Or we can say that the domain will have all the non-negative integers less than or equal to 100.
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Answer:
A 98% confidence interval for the mean assembly time is [21.34, 26.49] .
Step-by-step explanation:
We are given that a sample of 40 times yielded an average time of 23.92 minutes, with a sample standard deviation of 6.72 minutes.
Firstly, the pivotal quantity for finding the confidence interval for the population mean is given by;
P.Q. = ~
where, = sample average time = 23.92 minutes
s = sample standard deviation = 6.72 minutes
n = sample of times = 40
= population mean assembly time
<em> Here for constructing a 98% confidence interval we have used a One-sample t-test statistics because we don't know about population standard deviation. </em>
<u>So, a 98% confidence interval for the population mean, </u><u> is;
</u>
P(-2.426 < < 2.426) = 0.98 {As the critical value of z at 1% level
of significance are -2.426 & 2.426}
P(-2.426 < < 2.426) = 0.98
P( <
<
) = 0.98
P( <
<
) = 0.98
<u>98% confidence interval for</u> = [
,
]
= [ ,
]
= [21.34, 26.49]
Therefore, a 98% confidence interval for the mean assembly time is [21.34, 26.49] .
Answer:
-41
Step-by-step explanation:
You would replace all x's with -9 and solve.
