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Gemiola [76]
3 years ago
13

Based on a recent study, roughly 80% of college students in the U.S. own a smartphone. Is the proportion of smartphone owners lo

wer at this university? Respond to each of the following in your initial post.
1. State your hypotheses in symbolic form and in words. (The following should be clear in your answer: the population of interest and the meaning of the proportion p in terms of the variable Cell.)
2. StatCrunch uses a normal model to estimate the P-value probability. Verify that normality conditions are met.
3. Use StatCrunch to conduct the hypothesis test. (directions) Copy and paste the results (the StatCrunch output window) into your initial post.
4. Give your P-value and interpret its meaning as a conditional probability.
5. State a conclusion that answers the research question. Use a significance level of 5%. (Your answer should include the P-value and reference the population and the variable Cell.)
Mathematics
1 answer:
kumpel [21]3 years ago
5 0

Answer:

PLSSSSSSS do you own work chile LOLLLLLL

Step-by-step explanation:

BYE- LOLLLLLLL PLS

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Find the value of 9x+4y when x=4 and y=-3
jasenka [17]

Answer:

you substitute x for 4 and so you multiply 9 x 4 which will give you 36 and then you have to add four times y so you substitute y for -3 and you add 36 - 12 which will give you 24

4 0
3 years ago
Write the formula for the sum of 7 consecutive numbers if the first number is m. \
vlabodo [156]

Answer:

Step-by-step explanation:

If you have an odd number of consecutive numbers, the middle number should be x. So 7 of them would be written as

(x - 3)+(x - 2) + (x - 1) + x + (x + 1) + (x + 2) + (x+3)

That way all you are left with is 7x because the integers cancel.

That is not your question

You question is

Sum = m+(m + 1)  + (m + 2) + (m + 3) + (m + 4) + (m + 5) + (m + 6)

3 0
3 years ago
Read 2 more answers
Write ten hundredths in standard form
tatiyna
The answer would be 0.01 because 1 is one and 0.1 is one tenth.
6 0
3 years ago
Read 2 more answers
The value of a professor basketball players autograph rose 30% in the las year.It is now worth $286.00. What was it worth a year
sineoko [7]

Answer:

$220 dollars

Step-by-step explanation:

a = p * w (the percentage formula)

subsitute. It rose by 30 % since last year so you're going to put 1.30 (30% -> 0.30 then add 1)

286 = 1.30 * w

solve.

w = 220

3 0
3 years ago
Card drawn out of deck of 52 cards find probability of drawing a five or six
aivan3 [116]

Answer:

4 /52

Step-by-step explanation:

7 0
3 years ago
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