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rjkz [21]
4 years ago
11

A survey claims that 9 out of 10 doctors (i.e., 90% recommend brand z for their patients who have children. to test this claim a

gainst the alternative that the actual propo rtion of doctors who recommend brand z is less than 90%, a random sample of 100 doctors results in 93 who indicate that they recommend brand z. the test statistic in this problem is approximately (round to the nearest hundredth:
Mathematics
1 answer:
iris [78.8K]4 years ago
6 0
OK 100% of doctors in the mid-1800s found to be correct and all surgeries
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look at the table in the problem 4 alex drove a distince between 2 cities in the table.he said that he drove about 2,000 miles.W
luda_lava [24]

The cities Alex could have drove between whose distance is about 2000 miles when rounded to the <em>nearest thousand</em> are : <em>Chicago to San Francisco</em> and <em>Atlanta to Los Angeles</em>

<u>From the table attached which shows the distance in miles between two cities in the United States</u> :

  • Distance between Chicago to San Francisco = 2131

  • Distance between Atlanta to Los Angeles = 2173

Only the distances between these two cities would give a value of 2000 miles when <em>rounded to the nearest thousand mile </em>

The other distances in the table will round to 1000 miles when <em>rounded to the nearest thousand mile</em>.

Learn more :brainly.com/question/18109354

8 0
3 years ago
Brainliest question please please help me now plz
pickupchik [31]

Answer:

Beta is 60 degrees, and the angle of A should be 30 degrees.

Step-by-step explanation:

Its a right triangle, so it equals 180 degrees, there's a perpendicular angle at 'C' so its 90 degrees, B and its angle of 'Beta' 60 degrees, and angle 'A' can be 30 degrees. if in need of more explanation please look into complimentary and supplementary angles should give you a good idea.

7 0
4 years ago
Use the rules of exponents to evaluate or simplify. Write without negative exponents 8-squr3 is the conjugate of 8+squar 3
NISA [10]
8 - sqrt(3) is indeed the conjugate of 8 + sqrt(3).

What are you asking here?  You are to "evaluate or simplify" what?
5 0
4 years ago
What is the value of q in equation √4q-2=√3q+8
Dmitry [639]

Answer:

  q = 10

Step-by-step explanation:

As your equation is written, the radical sign only appies to 4 or 3, so you have ...

  (√4)q -2 = (√3)q +8

  (2 -√3)q = 10 . . . . . . . . . . . . . . . add 2-(√3)q

  q = 10/(2 -√3) ≈ 37.3205... . . . . (an irrational number)

___

We suspect you intend

  √(4q -2) = √(3q +8) . . . . . . . <em>parentheses are required</em> for grouping

Square both sides, then add 2-3q.

  4q -2 = 3q +8

  q = 10

The value of q in the equation √(4q-2) = √(3q+8) is 10.

6 0
4 years ago
Find the number of permutations of the first 8 letters of the alphabet taking 5 letters at a time?!
Musya8 [376]

The first letter can be any one of 8.  For each of those . . .
The second letter can be any one of the remaining 7.  For each of those . . .
The third letter can be any one of the remaining 6.  For each of those . . .
The fourth letter can be any one of the remaining 5.  For each of those . . .
The fifth letter can be any one of the remaining 4.

The total number of possibilities is  (8 x 7 x 6 x 5 x 4) = <em>6,720</em> .
(That's  8! / 3! .)

Note:
If you're allowed to use the same letter more than once,
then there are 8 choices for each of the 5 letters.
The total number of possibilities then is              (8 x 8 x 8 x 8 x 8) = 32,768 .
(That's 8⁵  or  2¹⁵ .)



5 0
3 years ago
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